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  • 1
    Publication Date: 2016-07-31
    Description: This commentary describes an assessment exercise known as the TRIPSE (Tri-Partite Problem Solving Exercise) that mimics science in operation. Students frame hypotheses based on limited data, design experiments to test them, which they later revise with new information. It is emphasised that there are no single correct answers, only sets with varying degrees of plausibility. The approach is flexible and can be adapted to any of the basic biomedical sciences and for students at multiple levels, undergraduate to graduate. In comparison to other testing methods, this process-oriented exercise provides a better learning experience. It captures the excitement and fascination of science and gives students a more realistic view of how scientists function.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 2
    Publication Date: 2016-07-31
    Description: Numerous national reports have addressed the need for changing how science courses in higher education are taught, so that students develop a deeper understanding of critical concepts and the analytical and cognitive skills needed to address future challenges. This review presents some evidence-based approaches to curriculum development and teaching. Results from discipline-based education research indicate that it is critically important for educators to formulate learning goals, provide frequent and authentic assessments and actively engage students in their learning. Professional societies can play a role in helping to put these changes into practice. To this end, the American Society for Microbiology has developed a number of educational programs and resources, which are described here to encourage the implementation of student-centered learning in microbiology education.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 3
    Publication Date: 2016-07-15
    Description: Although problem-based learning (PBL) has been used for over 40 years, with many studies comparing the benefits of PBL versus other educational approaches, little attention has been paid to the effectiveness of hybrid PBL (H-PBL) curricula. Here we aimed to compare the learning outcomes of two groups of undergraduate biology students working towards a bachelor's degree: one group used an H-PBL approach, while the second used a lecture-based learning (LBL) approach. Specifically, the H-PBL group used a PBL module with interdisciplinary problems, which represented 20% of the entire curriculum. The main outcomes of evaluation were the long-term acquisition of factual knowledge and the problem-solving skills at the end of the bachelor's degree. The sample included 85 students, 39 in the H-PBL group and 46 in the LBL group. We found that an H-PBL curriculum can improve the students’ learning outcomes such as long-term knowledge acquisition, problem solving skills and generic competences.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 4
    Publication Date: 2015-05-12
    Description: Farm households in developing countries generally allocate a major portion of their resources to staple food production, mainly for self-consumption. Hence, many of them are more or less delinked from the market. It is well recognized, however, that market participation is crucial for farm households to ensure a flow of cash income, leading to poverty alleviation and improved livelihoods. Thus, it is meaningful to understand what factors affect farm households' decision to sell food crops, which is important for strengthening their linkages with markets. The empirical literature on impacts of market linkages has seldom focused on the determinants of market participation. Using rice farm households in Bangladesh and applying a double-hurdle model, this article demonstrates that the provision of general education and the development of agricultural infrastructure such as irrigation facilities can strengthen the market linkages of farm households by enhancing their marketable surplus through increased production. By contrast, rainfall beyond the optimum level, drought spells, and flood incidences can weaken market linkages by reducing their marketable surplus through decreased production. Specific policies such as investment in general education are drawn up based on the findings.
    Keywords: C24 - Truncated and Censored Models, D01 - Microeconomic Behavior: Underlying Principles, D13 - Household Production and Intrahousehold Allocation, Q12 - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 2040-5790
    Electronic ISSN: 2040-5804
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 5
    Publication Date: 2015-12-29
    Description: This article investigates the collective choice of production standards by farmer and processor groups within a vertical food supply chain, taking into account their competition behaviours. We develop a general model to analyse the strategic motive of using standards to limit supply and shift rents between farmers and processors in the vertical chain. We find that a stringent standard can raise farmers' profit, but at the expense of processors. This is the case when the standard affects more variable costs than fixed cost of production, when the demand for the final product is inelastic, and when processors have a high degree of oligopoly power.
    Keywords: L13 - Oligopoly and Other Imperfect Markets, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 6
    Publication Date: 2016-03-31
    Description: Thinly traded agricultural commodity markets are a concern for farmers and policy markers due to the belief that prices in these settings will be highly volatile, subject to manipulation, and incapable of efficiently allocating resources. Analysis of thin agricultural markets has to date been impeded by lack of an appropriate analytical framework from which to study their behavior. In this paper we propose the modern agricultural markets (MAM) framework as an appropriate paradigm through which to view and evaluate thin markets. We argue that thinly traded markets that meet key conditions required for a MAM will generate maximum economic surplus and enable farmers to earn at least a competitive return on their investments. In the absence of these conditions, however, the concerns known as the "thin market problem" have validity. We set forth the MAM framework, interpret it in a thin-market context, and conduct several brief case studies of thin markets to illustrate use of the approach and draw some key inferences about these markets' behavior. The analysis indicates that appropriate government policies directed to thin markets are those that facilitate their convergence to MAM status, but in reality key policies under recent consideration would have the opposite effect.
    Keywords: L10 - General, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0002-9092
    Electronic ISSN: 1467-8276
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 7
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    Oxford University Press
    Publication Date: 2016-07-02
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 8
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    Oxford University Press
    Publication Date: 2016-08-11
    Description: There are not only many links between microbiological and philosophical topics, but good educational reasons for microbiologists to explore the philosophical issues in their fields. I examine three broad issues of classification, causality and model systems, showing how these philosophical dimensions have practical implications. I conclude with a discussion of the educational benefits for recognising the philosophy in microbiology.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 9
    Publication Date: 2016-06-15
    Description: In the yearly Internationally Genetically Engineered Machines (iGEM) competition, teams of Bachelor's and Master's students design and build an engineered biological system using DNA technologies. Advising an iGEM team poses unique challenges due to the inherent difficulties of mounting and completing a new biological project from scratch over the course of a single academic year; the challenges in obtaining financial and structural resources for a project that will likely not be fully realized; and conflicts between educational and competition-based goals. This article shares tips and best practices for iGEM team advisors, from two team advisors with very different experiences with the iGEM competition.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 10
    Publication Date: 2016-07-09
    Description: This commentary discusses the recent pioneering overhaul of training for UK doctors wishing to pursue a career in the infection specialities. Changes include the introduction of new curricula that embrace increased collaboration between the laboratory-based and clinical specialties and a broad-based infection training period, named ‘Combined Infection Training’, which has never been seen before. Here, we discuss the benefits and challenges associated with the collaborative approach to training with particular reference to points that educators responsible for training programme design need to consider. We also describe our own local experiences in adopting a proactive, multidisciplinary approach to address potential obstacles prospectively.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 11
    Publication Date: 2015-05-21
    Description: Mobile phone coverage has expanded considerably throughout the developing world, particularly within sub-Saharan Africa. Existing evidence suggests that increased access to information technology has improved agricultural market efficiency for consumer markets and certain commodities, but there is less evidence of its impact on producer markets. Building on the work of Aker (2010) , we estimate the impact of mobile phone coverage on producer price dispersion for three commodities in Niger. Our results suggest that mobile phone coverage reduces spatial producer price dispersion by 6 percent for cowpea, a semi-perishable commodity. These effects are strongest for remote markets and during certain periods of the year. The introduction of mobile phone coverage has no effect on producer price dispersion for millet and sorghum, two staple grains that are less perishable and are commonly stored by farmers. There are no impacts of mobile phone coverage on producer price levels, but mobile phone coverage is associated with a reduction in the intra-annual price variation for cowpea.
    Keywords: O30 - General, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0258-6770
    Electronic ISSN: 1564-698X
    Topics: Economics
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  • 12
    Publication Date: 2015-05-26
    Description: We modify the behavioural postulate of self-centred inequity aversion to explain producers' reluctance to fund generic fruit and vegetable advertising as a result of experiencing negative utility when others benefit more from a public good than themselves, but positive utility when they earn more than others. We find that higher variability in returns decreases the probability of a favourable vote. Conversely, if information about payoffs is incomplete, if subjects are allowed to experience a trial run of a generic advertising programme, if returns are equal across producers, or if there is government support for the programme, the likelihood of approval rises.
    Keywords: H41 - Public Goods, M37 - Advertising, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 13
    Publication Date: 2015-07-10
    Description: We argue that farm survival is influenced by neighboring farmers’ characteristics and, in particular, by the direct payments neighboring farmers receive. The article shows empirically that these interdependencies are crucial for an assessment of the effects of direct payments on farm survival. Using spatially explicit farm-level data for nearly all Norwegian farms, a spatial probit model is estimated to explain farm survival from 1999 to 2009 controlling for spatial farm interdependence. We show that ignoring spatial interdependencies between farms leads to a substantial overestimation of the effects of direct payments on farm survival. To our knowledge, this article is the first attempt to empirically analyze the importance of neighboring interdependencies for the effects of direct payments on farm survival.
    Keywords: C21 - Cross-Sectional Models ; Spatial Models ; Treatment Effect Models, C25 - Discrete Regression and Qualitative Choice Models, Q12 - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0002-9092
    Electronic ISSN: 1467-8276
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 14
    Publication Date: 2016-02-07
    Description: The household is a potential source of opportunistic pathogens to humans, a particularly critical issue for immunodeficient individuals. An important human–microbe interface is the biofilm that develops on showerhead surfaces. Once microbe-laden biofilms become aerosolized, they can potentially be inhaled into the lungs. Understanding how quickly a new showerhead becomes colonized would provide useful information to minimize exposure to potentially pathogenic environmental microbes. High school scientists sampled the inner surfaces of pre-existing and newly fitted showerheads monthly over a nine-month period and applied standard microbiologic culture techniques to qualitatively assess microbial growth. Water chemistry was also monitored using commercial test strips. Sampling was performed in households on Oahu, Hawai'i and Denver, Colorado, representing warm/humid and cold/arid environments, respectively. Pre-existing showerheads in Hawai'i showed more diverse microbial growth and significantly greater microbial numbers than a comparable showerhead from Colorado. New, chrome-plated or plastic showerheads in Hawai'i showed diverse and abundant growth one month after installment compared to new showerheads from Colorado. The pH, total chlorine and water hardness levels varied significantly between the Hawai'i and Colorado samples. Enthusiastic student and teacher participation allowed us to answer long-standing questions regarding the temporal colonization of microbial biofilms on pre-existing and new showerhead surfaces.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 15
    Publication Date: 2015-03-14
    Description: A milk scandal erupted in China in 2008 when the industrial chemical melamine was found in dairy products nationwide. While many Chinese dairy companies faced huge losses or bankruptcy as a result, one small firm, Dairy United, accelerated its development. Dairy United is one of the fastest-growing and most innovative Chinese dairy producers, one that features an unusual organizational structure and business model. Unlike most corporate and cooperative dairies that purchase cows on the market, Dairy United leases dairy cows from local farmers, giving it access to its primary asset without a large up-front investment, and letting the firm grow its dairy herds with newborn heifers. In return, farmers receive fixed payments biannually, but relinquish control rights and residual claims to the firm. Thus, Dairy United's leasing is helping transform Chinese milk production from a backyard, labor-intensive activity to a more industrialized mode of farming. The case is particularly interesting for understanding applications of agency theory in agribusiness.
    Keywords: A22 - Undergraduate, A23 - Graduate, D23 - Organizational Behavior ; Transaction Costs ; Property Rights, M10 - General, M20 - General, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0002-9092
    Electronic ISSN: 1467-8276
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 16
    Publication Date: 2015-03-14
    Description: Hoover Seeds is a fictional case study written to illustrate the challenges faced by food and agribusiness firms that are transitioning from small, entrepreneurial businesses to larger, more professionally managed enterprises. Though fictional, the competitive and financial situation of Hoover Seeds is based on realistic facts. The case introduces Dan Hoover, the Chief Executive Officer of Hoover Seeds, Inc., a small, family-owned and operated seed company in Ohio. Founded by his grandfather, Dan has worked his way up the ranks of the company and, now leading the company, has worked to expand market share. The case study details the sales, production, administration, and finances of the firm. Exhibit A includes a full set of financial statements over four years. The case also has industry context with market, customer, and competitor details.
    Keywords: Q10 - General, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0002-9092
    Electronic ISSN: 1467-8276
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 17
    Publication Date: 2015-03-14
    Description: Organic Valley is the largest organic cooperative in North America, one of two national buyers of organic milk, and one of two national organic dairy manufacturers. The cooperative's official name is Cooperative of Regional Organic Producers, and it is organized as a new generation cooperative, owned and controlled by patron-members who also transact with the business. Organic Valley has a unique policy of sustainable and stable producer pay-pricing for organic milk in the emerging organic dairy industry. This case presents challenges faced by the leadership of Organic Valley cooperative to maintain a stable and economically sustainable pay price for its farmer members. This case also introduces students to a new organizational form of cooperative, including its governance, the industry, and the market structure in which the cooperative operates. The objective of this case study is to improve student understanding of economic concepts such as theories of the imperfect market, demand and supply, and organizational design. The case also aims to help students improve their critical thinking and analytical skills by exploring the possibility of maintaining a unique sustainable and stable pricing method through the data provided. Additionally, the story introduces the economic role that organic dairy operation might play for small and medium-size dairy farmers as they attempt to maintain an economically sustainable family farm lifestyle.
    Keywords: A22 - Undergraduate, A23 - Graduate, Q01 - Sustainable Development, Q11 - Aggregate Supply and Demand Analysis ; Prices, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0002-9092
    Electronic ISSN: 1467-8276
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 18
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    Oxford University Press
    Publication Date: 2016-05-20
    Description: Scientific publishing has experienced profound changes in recent years, such as the advent of open-access journals, the increasing use of preprint archives or post-publication blogs, to name a few. One pillar still remains: peer review as a key ingredient that, in most cases, contributes to clarity and quality, often detecting errors and misinterpretations. Unfortunately, peer review is poorly recognized and good reviewers are rather a ‘rare avis’. Even worse, this necessary task in science is generally overlooked in curricula and post-graduate education. Some considerations should help us all to ameliorate greatly our understanding and duties.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 19
    Publication Date: 2016-03-17
    Description: State-of-the-art papers from around the globe addressing current topics in education were published in the FEMS Microbiology Letters virtual Thematic Issue ‘Education’ in November 2015 ( http://femsle.oxfordjournals.org/content/thematic-issue-education ), which was innovative and well received by microbiologists and other educators. Its unique content is reviewed here to facilitate broader access and further discussions in the professional community. Best practice in supporting school teaching and exposing students to concepts from other disciplines is presented in context of inspiring the next generations, where also historical microbiology can be drawn upon. Technology-enhanced education is discussed including its applications (e.g. lecture podcasts for flipped learning, learning from experts via videoconference). Authentic learning is covered with examples of research-led teaching, water and showerhead biofilm analyses and participation in the International Genetically Engineered Machines competition. Enhancing employability is focussed on, including supporting personal development and work-readiness in general and for the changing nature of the microbiology profession. International mobility develops international awareness but challenges teachers. Teaching training, teaching excellence and dissemination of best practice are reviewed. Times of challenge and change in the Higher Education landscape motivate us to improve educational approaches and frameworks, so that we are prepared for new topics to emerge as current topics in education.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 20
    Publication Date: 2016-03-17
    Description: The effectiveness of an educational board game developed to teach the pharmacology of antimicrobial drugs to medical students was compared with the lecture-based seminar as a supplemental tool to improve short- and long-term knowledge retention and the perception of the learning method by students. A group of 124 students was randomized to board game and control groups. Short-term knowledge retention was assessed by comparing differences in post- and pre-tests scores, and long-term knowledge retention by comparing final examination scores. Both didactic methods seem to improve short-term knowledge retention to similar extent. Long-term knowledge retention of board game seminar participants was higher than those who attended the lecture-based seminar (ANCOVA, P = 0.035). The effect was most pronounced within 14 days after the intervention (ANOVA, P = 0.007). The board game was well perceived by the students. The board game seems to be a promising didactic tool, however, it should be further tested to assess its full educational utility.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 21
    Publication Date: 2016-03-31
    Description: This case study examines the challenges of implementing a vaguely defined concept called sustainability in a large organization that also has a cooperative structure. Stakeholder theory is described and applied to a multinational dairy firm. The case firm, Land O'Lakes, must balance the needs of multiple constituencies: the general public, employees, cooperative members, external funding organizations, and the management team. One challenge is to define sustainability for the entire dairy industry. The case discusses the strategies used by firms in developing a sustainability response where the tradeoffs between different strategies are between credibility and autonomy and using an industry rather than a firm-level response.
    Keywords: L15 - Information and Product Quality ; Standardization and Compatibility, L66 - Food ; Beverages ; Cosmetics ; Tobacco ; Wine and Spirits, M14 - Corporate Culture ; Social Responsibility, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0002-9092
    Electronic ISSN: 1467-8276
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 22
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    Oxford University Press
    Publication Date: 2016-04-08
    Description: Massive Open Online Courses (MOOCs) dominated discussions of online learning and higher education in the news media and in universities between 2012 and 2015. However, fashions pass, needs change and technology evolves. This Commentary looks back, pauses on the present, and then looks forward. Whilst MOOCs are a significant milestone on the road that online teaching and learning is following, open, distance and online learning started long before MOOCs and will continue to grow in importance when MOOCs are just an interesting footnote in its development.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 23
    Publication Date: 2016-04-20
    Description: This report describes the integration of the microbiology and infectious diseases teaching courses in an international Master's level interdisciplinary programme based on the ‘One world, one health’ WHO concept, and reports the students and teachers’ evaluation related to their feelings of about this innovative programme. The integration was evaluated by recording the positioning of these two topics in the five teaching units constituting the programme, and by identifying their contribution in the interactions between the different teaching units. The satisfaction of students was assessed by a quantitative survey, whereas the feelings of students and teachers were assessed by interviews. The study demonstrated that microbiology and infectious diseases were widely involved in interactions between the teaching units, constituting a kind of cement for the programme. The students assigned a mean score of 3.7 to the topics dealing with microbiology and infectious diseases. According to the qualitative data, students and teachers considered that the interdisciplinary approach provided new insights but reported problems of communication, probably inherent to the multiculturalism of the class.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 24
    Publication Date: 2016-02-10
    Description: We investigate storage in the presence of backwardation and the existence of the Working curve for Chicago Board of Trade corn, soybeans, and wheat markets and the Kansas City Board of Trade wheat market using 1990–2010 data. Two spread measures—the futures-spot and futures-futures—are matched with deliverable stocks on the first Friday of delivery. To account for grade and location aggregation issues, the futures-spot spreads are measured using the lowest spot bid and highest futures price. Storage in the presence of backwardation is pervasive both in terms of the percentage of observations and the magnitude of the stockholdings. The Working curve emerges most clearly in KCBT wheat and soybeans. Convenience yield is also supported by the negligible holdings of delivery shipping certificates in backwardations. Overall, the results show that the Working curve does indeed still work today. When evaluating policy proposals to deal with heightened price volatility in agricultural markets it is important that models incorporate this well-established relationship.
    Keywords: G13 - Contingent Pricing ; Futures Pricing, Q11 - Aggregate Supply and Demand Analysis ; Prices, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 2040-5790
    Electronic ISSN: 2040-5804
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 25
    Publication Date: 2016-02-10
    Description: Lecture capture or ‘podcasting’ technology offers a new and engaging format of learning materials that can be used to increase the flexibility and interactivity of learning and teaching environments. Here we discuss different ways that these recordings can be incorporated into STEM discipline teaching, and the impact this can have on students’ learning.
    Keywords: Professional Development
    Print ISSN: 0378-1097
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    Topics: Biology
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  • 26
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    Oxford University Press
    Publication Date: 2016-10-30
    Keywords: Professional Development
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    Topics: Biology
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  • 27
    Publication Date: 2016-11-17
    Description: Science is international by nature. Scientific exchange and international mobility are essential for training young scientists in general, and international collaboration has been directly linked to high-quality science and innovation. In this article, we present evidence showing that international mobility has a direct and beneficial impact on scientific discovery, career development and cultural maturity, especially for students and young scientists.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 28
    Publication Date: 2016-12-07
    Description: The Agricultural Act of 2014 replaced dairy product price supports and countercyclical income support payments with the Margin Protection Program for Dairy Producers. Using farm-level data, producer decisions and aggregate policy costs under a variety of risk environments and policy design alternatives are simulated. Fixed premium rates may result in budget outlays that are substantially higher than for equivalent variable-rate insurance subsidized at levels observed in revenue-based crop insurance policies. Due to the absence of adjusted gross income or production eligibility constraints, a significant portion of benefits may accrue to a small share of large dairy farms.
    Keywords: Q11 - Aggregate Supply and Demand Analysis ; Prices, Q12 - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 2040-5790
    Electronic ISSN: 2040-5804
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 29
    Publication Date: 2016-12-23
    Description: Sequencing and bioinformatics technologies have advanced rapidly in recent years, driven largely by developments in next-generation sequencing (NGS) technology. Given the increasing importance of these advances, there is a growing need to incorporate concepts and practices relating to NGS into undergraduate and high school science curricula. We believe that direct access to sequencing and bioinformatics will improve the ability of students to understand the information obtained through these increasingly ubiquitous research tools. In this commentary, we discuss approaches and challenges for bringing NGS into the classroom based on our experiences in developing and running a microbiome project in high school and undergraduate courses. We describe strategies for maximizing student engagement through establishing personal relevance and utilizing an inquiry-based structure. Additionally, we address the practical issues of incorporating cutting edge technologies into an established curriculum. Looking forward, we anticipate that NGS educational experiments will become more commonplace as sequencing costs continue to decrease and the workflow becomes more user friendly.
    Keywords: Professional Development
    Print ISSN: 0378-1097
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    Topics: Biology
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  • 30
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    Oxford University Press
    Publication Date: 2016-12-29
    Keywords: Professional Development
    Print ISSN: 0378-1097
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    Topics: Biology
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  • 31
    Publication Date: 2016-10-16
    Description: Mathematical modeling is an important tool in biological research, allowing for the synthesis of results from many studies into an understanding of a system. Despite this, the need for extensive subject matter knowledge and complex mathematics often leaves modeling as an esoteric subspecialty. A 2-fold approach can be used to make modeling more approachable for students and those interested in obtaining a functional knowledge of modeling. The first is the use of a popular culture disease system—a zombie epidemic—to allow for exploration of the concepts of modeling using a flexible framework. The second is the use of available interactive and non-calculus-based tools to allow students to work with and implement models to cement their understanding.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 32
    Publication Date: 2015-07-29
    Description: Models describing the development of collective reputation have focused on the impact of past performance measures, but ignore the role of various marketing efforts for food and beverage products that highlight appellation information. We designed a laboratory experiment and used auction data to estimate consumer response to information tying US wine regions to famous wine production regions in France, a phenomenon we define as reputation tapping. Results show that reputation tapping increases bids for the wines produced in burgeoning US wine regions. Our findings also suggest that full protection of geographical indications may require monitoring of activities beyond those by individual firms.
    Keywords: C91 - Laboratory, Individual Behavior, L14 - Transactional Relationships ; Contracts and Reputation ; Networks, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 33
    Publication Date: 2015-10-31
    Description: Many cooperatives and related organisations use revenue pooling wherein products across multiple quality levels are commingled. Recent work showed that pooling ensures farmers against risks due to stochastic product quality and counteracts farmers' tendency to overproduce high-quality product. We extend their analysis to incorporate farmers who are heterogeneous in ability to produce high-quality products. We show that the revenue-pooling benefits of cooperation may be sufficient to cause high-quality producers to join a cooperative and pool revenues, at least partially, with lower-quality producers. We explore the producer and market characteristics conducive to the emergence of stable revenue-pooling cooperatives.
    Keywords: P13 - Cooperative Enterprises, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 34
    Publication Date: 2015-10-31
    Description: What causes firms to behave the way they do when they face different investment opportunities? We argue that both people and processes are behind the decision-making of project implementation. Member and professional CEOs of cooperatives differ regarding their managerial vision towards upstream and downstream projects. Cooperatives with member CEOs are upstream focused and it is reflected by the cascading effect of negative vision bias towards downstream projects. When downstream activities become more important, cooperatives need to replace the member CEOs with professional CEOs. However, a cooperative with a professional CEO may still be in a disadvantageous position if the member-dominated Board of Directors' negative bias towards downstream projects is too strong, which may result in an investor owned firm being the efficient governance structure.
    Keywords: D21 - Firm Behavior, L23 - Organization of Production, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 35
    Publication Date: 2017-01-05
    Description: Commodity-equity return co-movements rose dramatically during the Great Recession. This development took place following what has been dubbed the "financialization" of commodity markets. We first document changes since 1995 in the relative importance of financial institutions’ activity in agricultural futures markets. We then use a structural vector autoregression (VAR) model to ascertain the role of that activity in explaining correlations between weekly grain, livestock, and equity returns from 1995–2015. We provide robust evidence that, accounting for shocks that are idiosyncratic to agricultural markets, world business cycle shocks have a substantial and long-lasting impact on the latter’s co-movements with financial markets. In contrast, changes in the intensity of financial speculation have an impact on cross-market return linkages that is shorter-lived and not statistically significant in all model specifications.
    Keywords: G12 - Asset Pricing ; Trading volume ; Bond Interest Rates, G13 - Contingent Pricing ; Futures Pricing, Q11 - Aggregate Supply and Demand Analysis ; Prices, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0002-9092
    Electronic ISSN: 1467-8276
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 36
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    Oxford University Press
    Publication Date: 2017-01-19
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 37
    Publication Date: 2017-01-19
    Description: Infectious diseases are potential catalysts for exploring ‘engaged citizen’ or socioscientific themes given their interwoven economic, political, scientific and social dimensions. This article describes how an undergraduate course on the history of infectious diseases was modified to explore the impact of two ‘engaged citizen’ themes (poverty and technology), and to consider the ramifications of those themes on past, present and future infectious disease outbreaks. Four outbreaks were used as the foundation for the course: plague (1350s), puerperal fever (1840s), cholera (1850s) and syphilis (1930s). The first part of the article describes the general course structure and the role of university-wide ‘engaged citizen’ themes in its semester-specific construction. The second part of the article demonstrates how poverty and technology ‘threads’ were explored in each of the four historical contexts, and subsequently how they were considered in current and future contexts; appendices with lesson suggestions are provided. The third and final part of the article discusses how this specific model might be more broadly applied to other microbiology instructional contexts.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 38
    Publication Date: 2016-10-08
    Description: Among the gram-negative microorganisms with probiotic properties, Escherichia coli strain Nissle 1917 (briefly EcN) is probably the most intensively investigated bacterial strain today. Since nearly 100 years, the EcN strain is used as the active pharmaceutical ingredient in a licensed medicinal product that is distributed in Germany and several other countries. Over the last few decades, novel probiotic activities have been detected, which taken together are specific of this versatile E. coli strain. This review gives a short overview on the discovery and history of the EcN strain.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 39
    Publication Date: 2017-01-12
    Description: With the alarming rise of antibiotic resistance, clinical professionals are called upon to manage antibiotic therapies using the most relevant and recent clinical and laboratory data. To this end, antimicrobial stewardship (AMS) programs aim to reduce unnecessary or suboptimal use of antibiotics while maximizing outcomes for the patient. For AMS programs to succeed, the active participation of clinical professionals at all levels of patient care is required. Although programs exist to train established clinicians in AMS, there is a paucity of literature on how and when to integrate AMS concepts and skills in pre-clinical and clinical coursework. Here, we discuss the crucial microbiology concepts and proficiencies that are necessary for building and supporting an AMS program. We provide recommendations for key points to include in clinical curricula in order to develop the necessary microbiology interpretation skills to participate in AMS. The influence of AMS programs on local organism susceptibility patterns is emphasized. The importance of antibiograms, rapid diagnostic testing and the practical interpretations of microbiology laboratory reporting are discussed in regard to prioritization in clinical curricula. We also review the current literature on instructional strategies for introducing AMS into clinical programs, and propose concepts that should be included in didactic coursework in order to provide a foundation for AMS education.
    Keywords: Professional Development
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
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  • 40
    Publication Date: 2015-02-06
    Description: We analyse the effects of geographical indication labelling on quality choices and welfare in a vertical differentiation framework with two attributes of goods, gustatory quality and geographical origin. We investigate two extreme cases of the protected designation of origin (PDO) label: a denomination standard, which guarantees only the origin of the product without any requirement on production specifications, and a minimum quality requirement, which guarantees both the origin and the quality of the product. We find that as long the PDO good is the high-quality good, binding production specifications on the quality level adversely affect the PDO producer(s).
    Keywords: D21 - Firm Behavior, L13 - Oligopoly and Other Imperfect Markets, L15 - Information and Product Quality ; Standardization and Compatibility, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 41
    Publication Date: 2015-02-28
    Description: A mixed effects model is used to estimate intercepts, price and expenditure elasticities for vegetables, meat and fish in different cohorts. Results from Wald tests reveal that intercepts for fish are higher for older cohorts than for younger cohorts, and expenditure elasticities for meat are higher for older cohorts than for younger cohorts. The implication is that over time, when younger cohorts replace older cohorts, the total expenditure share for fish is likely to decrease contributing to a negative trend in fish consumption. For meat, the total expenditure elasticity is likely to decrease.
    Keywords: D12 - Consumer Economics: Empirical Analysis, J10 - General, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 42
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    Oxford University Press
    Publication Date: 2015-02-28
    Description: Pricing and selling strategies in the retail sector are hotly debated in policy circles. This article analyses the impact of sales below cost on the negotiation outcomes in intermediate goods markets. Assuming that consumers have a sufficiently strong preference for one-stop shopping, we model below-cost pricing as the result of a profit-maximising cross-subsidisation strategy of a multi-product retailer. We find that below-cost pricing improves the supplier's bargaining position vis-à-vis the retailer. Correspondingly, the supplier of the loss-leader benefits from the retailer's below-cost pricing strategy, though the retailer is better off under a ban of sales below cost. These results disprove the often expressed fear that retailers use sales at a loss to squeeze wholesale prices.
    Keywords: L22 - Firm Organization and Market Structure, L42 - Vertical Restraints ; Resale Price Maintenance ; Quantity Discounts, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 43
    Publication Date: 2015-02-28
    Description: This article investigates member deliveries in agricultural marketing cooperatives. Since cooperatives depend on members’ contributions to achieve efficiency in processing and marketing, side-selling by members poses a threat to the economic viability of cooperatives in the long run. We develop a model for the farmers’ marketing decision that relates farm size to the share of produce delivered to the cooperative. Based on survey data from cooperatively organised coffee farmers in Costa Rica, we find that the share delivered to cooperatives decreases with farm size, albeit at a decreasing rate. The empirical results thus confirm the theoretical model prediction of a u-shaped relationship between farm size and member deliveries.
    Keywords: Q12 - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 0165-1587
    Electronic ISSN: 1464-3618
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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  • 44
    Publication Date: 2015-02-11
    Description: We analyze the inclusiveness and effectiveness of agricultural cooperatives in Rwanda. We estimate mean income and poverty effects of cooperative membership using propensity score matching techniques. We analyze heterogeneous treatment effects across farmers by analyzing how estimated treatment effects vary over farm and farmer characteristics and over the estimated propensity score. We find that cooperative membership in general increases income and reduces poverty and that these effects are largest for larger farms and in more remote areas. We find evidence of a negative selection because impact is largest for farmers with the lowest propensity to be a cooperative member .
    Keywords: I32 - Measurement and Analysis of Poverty, J54 - Producer Cooperatives ; Labor Managed Firms, Q13 - Agricultural Markets and Marketing ; Cooperatives ; Agribusiness
    Print ISSN: 2040-5790
    Electronic ISSN: 2040-5804
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
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