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  • Articles  (545)
  • Economics  (545)
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  • Articles  (545)
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  • 1
    Electronic Resource
    Electronic Resource
    Organisational support and group efficacy: A longitudinal study of main and buffer effects (2005)
    Bradford : Emerald
    Journal of managerial psychology 20 (2005), S. 292-311 
    Details
    ISSN: 0268-3946
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Psychology , Economics
    Notes: Purpose - To analyse the influence of three different types of organisational support (supervisor's and colleagues' support, training, and acknowledgement and rewards) on the implementation of teamwork systems. Design/methodology/approach - Main and buffer effects of social support were tested using different subjective (job satisfaction and job involvement) and objective (production and total production management (TPM)) organisational criteria. In the longitudinal study, two sets of data were taken from a sample of workers from car-manufacturing factories in two consecutive years. Findings - The three dimensions of support explain 30 per cent of the variance in job satisfaction in time 1(T1) and 11 per cent in time 2 (T2). A total of 50 per cent of job involvement in T1 is due to the supervisor's and colleagues' support, whereas in T2 this influence is not apparent. Social support from supervisor's and colleagues and acknowledgment and rewards explain 10 per cent of the variance of the objective measures (production and TPM). Research limitations/implications - The objective measures used are similar for the production line as a whole and therefore they do not consider the possible differences in performance between different production line groups. Practical implications - The importance of social support in organisational settings, in particular in the implementation of working teams. It also emphasises the need to distinguish the different stages of support from colleagues, supervisors or the organisation. Originality/value - This study indicates that support is an easy and inexpensive means not only to improve the social environment of an employee but also to make an important contribution towards productivity targets.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02683940510589064
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  • 2
    Electronic Resource
    Electronic Resource
    International financial analysis and the handicap of accounting diversity (2004)
    Bradford : Emerald
    European business review 16 (2004), S. 272-291 
    Details
    ISSN: 0955-534X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Financial analysis at international level has to overcome a lot of obstacles that increase the uncertainty which the financial analyst is used to handling. It is commonly argued by accounting regulators, academics, and so on, that different accounting standards are one of these handicaps. For this reason European listed companies will be required in year 2005 to elaborate consolidated financial statements according to International Accounting Standards. Will it be a solution for the handicaps that face financial analysts? The objective of this study is to see how accounting diversity can be resolved and what are the conclusions of financial analysts in capital markets. The prior hypotheses will be: first, that accounting diversity is not what introduces the most important uncertainty in the international financial analysis, and second, that accounting diversity is avoided instead of being corrected. It is evidenced that the most important factors of diversity are strategies of the company and that analysts try to reduce the impact of accounting diversity, for example, using less biased ratios such as Enterprise Value/EBITDA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09555340410536217
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  • 3
    Electronic Resource
    Electronic Resource
    ISO 9000 and TQM: substitutes or complementaries?: An empirical study in industrial companies (2004)
    Bingley : Emerald
    International journal of quality & reliability management 21 (2004), S. 260-276 
    Details
    ISSN: 0265-671X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: After analysing a sample of 442 of the Spanish biggest manufacturing companies, some evidence about the influence of total quality management (TQM) on the companies' operating performance has been obtained. However, companies applying TQM together with the ISO 9000 standards did not show positive results. This fact leads to the consideration that, despite the beliefs about ISO 9000 as a good first step in the way of implementing TQM, once implemented, some of the ISO 9000 principles are contradictory with TQM philosophy. These not congruent systems applied together would drive the company to obtain less benefits than the use of only one of them. The study concludes that when ISO 9000 and TQM are applied simultaneously, the resultant benefits to the company are not better than those experienced if either system were applied in isolation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02656710410522711
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  • 4
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    Agronomy, Vol. 9, Pages 736: Application of Semi-Empirical Ventilation Models in A Mediterranean Greenhouse with Opposing Thermal and Wind Effects. Use of Non-Constant Cd (Pressure Drop Coefficient Through the Vents) and Cw (Wind Effect Coefficient) (2019)
    MDPI
    In: Agronomy
    Details
    Publication Date: 2019
    Description: The present work analyses the natural ventilation of a multi-span greenhouse with one roof vent and two side vents by means of sonic anemometry. Opening the roof vent to windward, one side vent to leeward, and the other side vents to windward (this last vent obstructed by another greenhouse), causes opposing thermal GT (m3 s−1) and wind effects Gw (m3 s−1), as outside air entering the greenhouse through the roof vent circulates downward, contrary to natural convection due to the thermal effect. In our case, the ventilation rate RM (h−1) in a naturally ventilated greenhouse fits a second order polynomial with wind velocity uo (RM = 0.37 uo2 + 0.03 uo + 0.75; R2 = 0.99). The opposing wind and thermal effects mean that ventilation models based on Bernoulli’s equation must be modified in order to add or subtract their effects accordingly—Model 1, in which the flow is driven by the sum of two independent pressure fields G M 1 = | G T 2 ± G w 2 | , or Model 2, in which the flow is driven by the sum of two independent fluxes G M 2 = | G T ± G w | . A linear relationship has been obtained, which allows us to estimate the discharge coefficient of the side vents (CdVS) and roof vent (CdWR) as a function of uo [CdVS = 0.028 uo + 0.028 (R2 = 0.92); CdWR = 0.036 uo + 0.040 (R2 = 0.96)]. The wind effect coefficient Cw was determined by applying models M1 and M2 proved not to remain constant for the different experiments, but varied according to the ratio uo/∆Tio0.5 or δ [CwM1 = exp(−2.693 + 1.160/δ) (R2 = 0.94); CwM2 = exp(−2.128 + 1.264/δ) (R2 = 0.98)].
    Electronic ISSN: 2073-4395
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
    Published by MDPI
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  • 5
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    Temporal Response to Drought Stress in Several Prunus Rootstocks and Wild Species (2020)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2020-09-14
    Description: Prunus species are important crops in temperate regions. In these regions, drought periods are predicted to occur more frequently due to climate change. In this sense, to reduce the impact of climate warming, obtaining new tolerant/resistant cultivars and rootstocks is a mandatory goal in Prunus breeding. Therefore, the current study assembled three Prunus species including almond, (P. dulcis Mill D.A. Webb), apricot (P. armeniaca L.) and peach (P. persica L.) to model the temporal effects of drought. A hybrid peach × almond and a wild almond-relative species Prunus webbii were also included in the study. Physiological traits associated with photosynthetic activity, leaf water status, and chlorophyll content were assessed under three watering treatments. Results showed that effects of time, genotype, and treatment interact significantly in all traits. In addition, results confirmed that P. webbii have a greater tolerance to drought than commercial rootstocks. However, “Real Fino” apricot showed the fastest recovery after re-irrigation while being one of the most affected cultivars. In addition, from the better response to these watering treatments by the almond genotypes, two different trends were observed after re-irrigation treatment that clearly differentiate the response of the almond cultivar “Garrigue” from the rest of Prunus genotypes. A better characterization of the short-term drought response in Prunus, an accurate and more efficient evaluation of the genotype effect was obtained from the use of mixed models considering appropriate variance–covariance structures. Although the advantages of these approaches are rarely used in Prunus breeding, these methodologies should be undertaken in the future by breeders to increase efficiency in developing new breeding materials.
    Electronic ISSN: 2073-4395
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
    Published by Molecular Diversity Preservation International
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  • 6
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    Application of Semi-Empirical Ventilation Models in A Mediterranean Greenhouse with Opposing Thermal and Wind Effects. Use of Non-Constant Cd (Pressure Drop Coefficient Through the Vents) and Cw (Wind Effect Coefficient) (2019)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2019-11-10
    Description: The present work analyses the natural ventilation of a multi-span greenhouse with one roof vent and two side vents by means of sonic anemometry. Opening the roof vent to windward, one side vent to leeward, and the other side vents to windward (this last vent obstructed by another greenhouse), causes opposing thermal GT (m3 s−1) and wind effects Gw (m3 s−1), as outside air entering the greenhouse through the roof vent circulates downward, contrary to natural convection due to the thermal effect. In our case, the ventilation rate RM (h−1) in a naturally ventilated greenhouse fits a second order polynomial with wind velocity uo (RM = 0.37 uo2 + 0.03 uo + 0.75; R2 = 0.99). The opposing wind and thermal effects mean that ventilation models based on Bernoulli’s equation must be modified in order to add or subtract their effects accordingly—Model 1, in which the flow is driven by the sum of two independent pressure fields GM1=GT2±Gw2, or Model 2, in which the flow is driven by the sum of two independent fluxes GM2=GT±Gw. A linear relationship has been obtained, which allows us to estimate the discharge coefficient of the side vents (CdVS) and roof vent (CdWR) as a function of uo [CdVS = 0.028 uo + 0.028 (R2 = 0.92); CdWR = 0.036 uo + 0.040 (R2 = 0.96)]. The wind effect coefficient Cw was determined by applying models M1 and M2 proved not to remain constant for the different experiments, but varied according to the ratio uo/∆Tio0.5 or δ [CwM1 = exp(-2.693 + 1.160/δ) (R2 = 0.94); CwM2 = exp(−2.128 + 1.264/δ) (R2 = 0.98)].
    Electronic ISSN: 2073-4395
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
    Published by Molecular Diversity Preservation International
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  • 7
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    A Survey of Electronic Signature Solutions in Mobile Devices (2007)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2007-12-01
    Description: The development of electronic signature in mobile devices is an essential issue for the advance and expansion of the mobile electronic commerce since it provides security and trust in the system. E-signatures provide security for the transactions with authenticity and integrity characteristics that make non-repudiation of the transactions possible. In recent years, different technologies and infrastructures have been developed with the aim of implementing mobile signature processes. Some are based on the SIM card. Others work over the middleware of the mobile device and cryptographic providers. Finally, there are already some frameworks which are independent of specific mobile device technologies and make mobile signatures available to application providers. Therefore, there is a great range of possibilities. In this paper we review the different solutions to date to provide electronic signature in mobile devices (SMS signature, SATK, WIM, USAT-i, SATSA, Mobile signature service, etc). We will comment on the most important goals of each solution and analyse the advantages and disadvantages. From this analysis we will obtain a global view of the current and future tendencies of mobile signature and thus help to provide mobile signature solutions.
    Electronic ISSN: 0718-1876
    Topics: Economics
    Published by Molecular Diversity Preservation International
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  • 8
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    The Importance of Ion Homeostasis and Nutrient Status in Seed Development and Germination (2020)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2020-04-02
    Description: Seed is the dissemination unit of plants initiating an important stage in the life cycle of plants. Seed development, comprising two phases: embryogenesis and seed maturation, may define the quality of sown seed, especially under abiotic stress. In this review we have focused on the recent advances in the molecular mechanisms underlying these complex processes and how they are controlled by distinct environmental factors regulating ion homeostasis into the seed tissues. The role of transporters affecting seed embryogenesis and first stages of germination as imbibition and subsequent radicle protrusion and extension were revised from a molecular point of view. Seed formation depends on the loading of nutrients from the maternal seed coat to the filial endosperm, a process of which the efflux is not clear and where different ions and transporters are involved. The clear interrelation between soil nutrients, presence of heavy metals and the ion capacity of penetration through the seed are discussed in terms of ion effect during different germination stages. Results concerning seed priming techniques used in the improvement of seed vigor and radicle emergence are shown, where the use of nutrients as a novel way of osmopriming to alleviate abiotic stress effects and improve seedlings yield is discussed. Novel approaches to know the re-translocation from source leaves to developing seeds are considered, as an essential mechanism to understand the biofortification process of certain grains in order to cope with nutrient deficiencies, especially in arid and semiarid areas. Finally, the role of new genes involved in hormone-dependent processes, oxidative response and water uptake into the seeds during their development or germination, have been described as plant mechanisms to deal with abiotic stresses.
    Electronic ISSN: 2073-4395
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
    Published by Molecular Diversity Preservation International
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  • 9
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    Understanding Pay Satisfaction: Effects of Supervisor Ethical Leadership on Job Motivating Potential Influence (2012)
    Springer
    Details
    Publication Date: 2012-11-18
    Print ISSN: 0167-4544
    Electronic ISSN: 1573-0697
    Topics: Philosophy , Economics
    Published by Springer
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  • 10
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    Molecular, Physico-Chemical, and Sensory Characterization of the Traditional Spanish Apple Variety “Pero de Cehegín” (2020)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2020-07-28
    Description: The “Pero de Cehegín” is an ancient local variety of apple grown in Murcia (Spain). In this study, microsatellites markers showed evidence of a unique profile that has never been reported before in other Spanish apple germplasm collections. Five “Pero de Cehegín” clones were evaluated and compared with two commercial apple varieties, “Fuji” and “Golden Delicious”, to assess its marketing potential. For this, the physical (weight, height, and width of the fruit, moisture content, firmness, and color of the fruit, among others), and chemical (total soluble solids, total acidity, and maturity index) properties of the fruits were evaluated. In addition, the content of bioactive compounds such as total polyphenol content, total antioxidant activity using the ABTS+, DPPH•, and FRAP methods, and the sugar profile were analyzed, and their sensory profile was also evaluated. Physico-chemical differences were found within the “Pero de Cehegín” clones and between the commercial varieties. “Pero de Cehegín” had a high firmness, high total soluble solids, very low total acidity, high FRAP antioxidant capacity, and more sucrose content in comparison with “Fuji” and “Golden Delicious”. These distinctive characteristics and the good appearance of the fruit make this variety a marketable product that will increase the offering of traditional, local, but underutilized fruit varieties.
    Electronic ISSN: 2073-4395
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Economics
    Published by Molecular Diversity Preservation International
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