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  • Institute of Physics  (162,998)
  • American Association for the Advancement of Science  (49,474)
  • Emerald
  • 2005-2009  (160,172)
  • 1970-1974  (40,699)
  • 1955-1959  (16,190)
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Year
  • 1
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    Time-resolved seismic tomography detects magma intrusions at Mt. Etna (2007)
    American Association for the Advancement of Science
    Details
    Publication Date: 2017-04-04
    Description: The continuous volcanic and seismic activity at Mount Etna makes this volcano an important laboratory for seismological and geophysical studies. We used repeated three-dimensional tomography to detect variations in elastic parameters during different volcanic cycles, before and during the October 2002–January 2003 flank eruption. Well-defined anomalous low P- to S-wave velocity ratio volumes were revealed. Absent during the pre-eruptive period, the anomalies trace the intrusion of volatile-rich (Q4 weight percent) basaltic magma, most of which rose up only a few months before the onset of eruption. The observed time changes of velocity anomalies suggest that four-dimensional tomography provides a basis for more efficient volcano monitoring and shortand midterm eruption forecasting of explosive activity.
    Description: Published
    Description: 821-823
    Description: reserved
    Keywords: NONE ; 04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processes ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 727523 bytes
    Format: application/pdf
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  • 2
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    Earth's Degassing: A Missing Ethane and Propane Source (2009)
    American Association for the Advancement of Science
    Details
    Publication Date: 2017-04-04
    Description: BREVIA
    Description: Current emission inventories require an additional "unknown" source to balance the global atmospheric budgets of ethane (C2H6). Here, we provide evidence that a substantial part of the missing source can be attributed to natural gas seepage from petroliferous, geothermal, and volcanic areas. Such geologic sources also inject propane (C3H8) into the atmosphere. The analysis of a large data set of methane (CH4), ethane, and propane concentrations in surface gas emissions of 238 sites from different geographic and geologic areas, coupled with published estimates of geomethane emissions, suggests that Earth's degassing accounts for at least 17% and 10% of total ethane and propane emissions, respectively.
    Description: Published
    Description: 478
    Description: 3.8. Geofisica per l'ambiente
    Description: JCR Journal
    Description: reserved
    Keywords: Ethane ; Propane ; Geologic emissions ; Seepage ; 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
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    Tidal Modulation of Nonvolcanic Tremor (2008)
    American Association for the Advancement of Science
    Details
    Publication Date: 2017-04-04
    Description: Episodes of nonvolcanic tremor and accompanying slow slip recently have been observed in the subduction zones of Japan and Cascadia. In Cascadia, such episodes typically last a few weeks, and differ from “normal” earthquakes in their source location and momentduration scaling. The three most recent episodes in the Puget Sound/Southern Vancouver Island portion of the Cascadia subduction zone have been exceptionally well recorded. In each episode, we see clear pulsing of tremor activity with periods of 12.4 and 24-25 hours, the same as the principal lunar and lunisolar tides. This indicates that the small stresses associated with the solid-earth and ocean tides influence the genesis of tremor much more effectively than they do “normal” earthquakes. Because the lithostatic stresses are 105 times larger than those associated with the tides, we argue that tremor occurs on very weak faults.
    Description: Published
    Description: 186 -189
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: reserved
    Keywords: Nonvolcanic ; tremor ; 04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution ; 04. Solid Earth::04.06. Seismology::04.06.02. Earthquake interactions and probability ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 4
    Electronic Resource
    Electronic Resource
    Brand trust and brand extension acceptance: the relationship (2005)
    Bingley : Emerald
    The @journal of product & brand management 14 (2005), S. 4-13 
    Details
    ISSN: 1061-0421
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - This UK-based research aims to build on the US-based work of Keller and Aaker, which found a significant association between "company credibility" (via a brand's "expertise" and "trustworthiness") and brand extension acceptance, hypothesising that brand trust, measured via two correlate dimensions, is significantly related to brand extension acceptance. Design/methodology/approach - Discusses brand extension and various prior, validated influences on its success. Focuses on the construct of trust and develops hypotheses about the relationship of brand trust with brand extension acceptance. The hypotheses are then tested on data collected from consumers in the UK. Findings - This paper, using 368 consumer responses to nine, real, low involvement UK product and service brands, finds support for a significant association between the variables, comparable in strength with that between media weight and brand share, and greater than that delivered by the perceived quality level of the parent brand. Originality/value - The research findings, which develop a sparse literature in this linkage area, are of significance to marketing practitioners, since brand trust, already associated with brand equity and brand loyalty, and now with brand extension, needs to be managed and monitored with care. The paper prompts further investigation of the relationship between brand trust and brand extension acceptance in other geographic markets and with other higher involvement categories.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/10610420510583707
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  • 5
    Electronic Resource
    Electronic Resource
    Universal appeals with local specifications (2005)
    Bingley : Emerald
    The @journal of product & brand management 14 (2005), S. 14-28 
    Details
    ISSN: 1061-0421
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - Aims to explore the factorial structure of automobile brand image in the context of a cross-national study. More specifically, we intend to answer two questions: whether the factor structure of brand image perception differ across countries, and whether these differences are owing to nation's culture and level of economic development. Design/methodology/approach - An existing data set, which consists of data collected from survey research, was employed. Data covering the top 20 automobile markets consisting of 4,320 eligible new car owners. Perception of and attitude towards automobile brand associations were measured using nominal scales. Findings - Provides empirical evidence that supports the applicability of multiple brand image dimensions corresponding to the consumer's sensory, utilitarian, symbolic and economic needs at the global level. The study also suggested that factor structure of brand image differs across nations and these differences might be reflective to a nation's culture and its level of economic development. Research limitations/implications - As with any empirical study, this research inevitably has its limitations, which presents opportunities for further research: extensions of the present framework to other product categories; extensions of the national factors; extensions of the brand associations; and measurement improvement. Practical implications - Understanding the similarities or differences of the factor structure of brand image across the globe facilitates the formation of a successful global image strategy. First of all, by exploring brand image structure at the global level; and the specific interrelationships among the corresponding associations Originality/value - The results derived from the 20 diverse nations in the present study not only enhance our understanding of brand image structure but also provide a strong test of the empirical generalizability of automobile brand image dimensionality and factor structure in a global context.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/10610420510583716
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  • 6
    Electronic Resource
    Electronic Resource
    Tactical launch decisions: influence on innovation success/failure (2005)
    Bingley : Emerald
    The @journal of product & brand management 14 (2005), S. 29-38 
    Details
    ISSN: 1061-0421
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - Innovation launch strategies are usually critical for innovation success. The main objective of this work consists of analysing the influence of the tactical launch decisions on new product performance Design/methodology/approach - Starts with a brief literature review. Then the results obtained in our study are compared with those obtained in other research. The data used in our research describes a new product launch in the Spanish agro-food sector. The method for collecting the information was through a mailed questionnaire. Because most of response variables were categorical, and in order to verify the proposed hypotheses, cross tabulation was used. We used Pearson's chi-squared (?2), likelihood ratio (H2) and the adjusted residuals too. Findings - The results propose a series of recommendations for the executives in charge of marketing new products. Specifically, suggests that it will be more likely to achieve success if, when launching a new product, skimming strategies are used, if intensive distribution is used for selling an innovation and the investment in the communication media is greater than that made by competitors. However, it is more possible to fail if the new product is marketed using an individual brand, penetration prices, push communication strategies and less expenditure on this concept than the competitors. Research limitations/implications - The literature review suggests that some of these tactical decisions seem to be related with other launch decisions (strategic launch decisions). As a result of this, it will be interesting to perform these similar analyses for those as well as to analyse the possible links that may exist between both and their influence on the results. Future research could explore these relationships in other industrial sector or countries. Perhaps, it would be possible provide a common perspective. Originality/value - In spite of the importance of the last phase of new product, there are few empirical works about it. This work tries to explain the transcendence of the tactical launch decisions and the influence of it on the success/failure of an innovation
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/10610420510583725
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  • 7
    Electronic Resource
    Electronic Resource
    The locus effect on inertia equity (2005)
    Bingley : Emerald
    The @journal of product & brand management 14 (2005), S. 206-210 
    Details
    ISSN: 1061-0421
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - The paper attempts to answer "Will the shift from the locus of self to locus of others impact the magnitude of loss aversion?" and "Will different prices affect the self-other asymmetry in choice?". Design/methodology/approach - The design is a two (locus: self vs others) by two (anchoring price: $30 vs $90) between-subjects' factorial with both the locus of evaluation and the monthly service plan charges (anchoring prices) as the between-subjects' factors. Findings - The author finds that inertia equity is smaller when consumers evaluate peer customers than when they evaluate themselves to switch brands. It is also found that the locus effect is applicable to brands at various prices. Research limitations/implications - Further research should focus on the validations of the assumptions to support the empirical finding from the theoretical perspective. Practical implications - Price reductions should be made personally relevant to the consumer and price increases should be made relevant to other things. Originality/value - The locus effect expands the assessment of loss aversion from one (self or other) to two dimensions jointly (self and other). It demonstrates the impact of the locus of evaluation on the magnitude of loss aversion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/10610420510601076
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  • 8
    Electronic Resource
    Electronic Resource
    An investigation into the timing of consumer requests for price-matching refunds (2005)
    Bingley : Emerald
    The @journal of product & brand management 14 (2005), S. 197-205 
    Details
    ISSN: 1061-0421
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - The paper proposes investigating the timing of consumer requests for price-matching refunds, the relationship between the refund timing and consumer repeat store purchase and the reasons for buying from the price-matching store when a lower competitive price is found before purchase. Design/methodology/approach - In Study 1, qualitative research (consumer interviews) was conducted; Study 2 uses a shopping simulation in which the timing of consumer refund-seeking behavior is observed, and Study 3 involves a consumer survey in which information on consumer refund-seeking behavior at real stores is gathered. Findings - The paper finds that consumers request price-matching refunds more frequently at the time of purchase than after the purchase. Seeking (and receiving) the price-matching refund is associated with higher repeat store purchase behavior than not having had a refund-seeking experience. Key reasons for buying from the price-matching retailer when a lower competitive price is found before purchase include convenience, tangible extras, and store reputation/service quality. Research limitations/implications - A student convenience sample was used. In Study 2, fictitious stores were used. In Study 3, the timing of refund seeking may have been different on other (not reported) occasions. Ability to seek the refund was not accounted for. Practical implications - The majority of the retailer's price-matching cost will come from issuing at-the-time-of-purchase refunds, when consumers possess more bargaining power. A positive refund-seeking experience may create a more loyal customer. In addition to being a low-price signal, price-matching policies can serve as signs of retailers' customer orientation. Originality/value - This research fills the gap in understanding the consumer price-match refund-seeking behavior and offers practical implications for retailers employing price-matching guarantees.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/10610420510601067
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  • 9
    Electronic Resource
    Electronic Resource
    Perceptions of positive and negative factors influencing the attractiveness of PPP/PFI procurement for construction projects in the UK: Findings from a questionnaire survey (2005)
    Oxford : Emerald
    Engineering, construction and architectural management 12 (2005), S. 125-148 
    Details
    ISSN: 1365-232X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Purpose - The paper aims to report the findings of research into perceptions of what makes the Private Finance Initiative (PFI) attractive or unattractive as a procurement system for projects in the UK. Design/methodology/approach - The research uses a postal survey questionnaire technique for primary data collection. Literature review is used to identify relevant factors, which are then incorporated into the design of the survey instrument. Survey response data is subjected to descriptive statistical analysis and subsequently to rotated factor analysis. Findings - Public/private partnerships (PPP)/PFI project procurement is perceived as most attractive in terms of positive factors relating to better project technology and economy, greater public benefit, public sector avoidance of regulatory and financial constraints, and public sector saving in transaction costs. Negative aspects, relating to factors such as the inexperience of the participants, the over-commercialisation of projects, and high participation cost and time, make PPP/PFI procurement less attractive. Originality/value - The procurement of public facilities and services under arrangements involving partnerships between the public and private sectors is claimed to provide a wide variety of net benefits to the public sector and to the private sector participants. In the project development process, the parties have to make decisions based on suitable evaluation criteria. At the early stage of preparing a business case, a clear and common understanding of the positive and negative factors surrounding PPP/PFI procurement will provide a more informed basis for decision making.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09699980510584485
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  • 10
    Electronic Resource
    Electronic Resource
    Partnering practice and the delivery of construction projects for Housing Associations in the UK (2005)
    Oxford : Emerald
    Engineering, construction and architectural management 12 (2005), S. 181-193 
    Details
    ISSN: 1365-232X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Purpose - Housing Associations in the UK are being encouraged to change the way in which they procure their building projects. This work aims to provide a snapshot of current practice in relation to the use of partnering as a procurement approach. Design/methodology/approach - Accordingly a quantitative research design was used to capture data from a sample of 100 of the largest Housing Associations involved in the commissioning of new house building projects in 2003. Two administrations of the survey generated a 43 per cent response rate. Findings - The findings of the study revealed that two differing types of partnering alliance could be identified. The types of partnering alliance identified were considered to have either a "supply side" or "demand side" focus. The results show that partnering practice, open-book cost management, risk analysis and the use of standardised and pre-fabricated components are now widespread and believed to deliver benefits in project costs, delivery times and quality levels. Research limitations/implications - The work is limited due to the size of the sample frame and the measuring instrument used which could not uncover reasons for the current practices that were revealed. Practical implications - The outcomes of the work provide practice with benchmarks that can be used to evaluate organisational approach and if necessary develop alternative approaches to the delivery of partnered projects. Originality/value - The paper contributes to the body of knowledge available on partnering practice in a client group that has been identified as being key in driving forward the post-Egan agenda in the construction industry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09699980510584511
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