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991.
992.
Research on the adoption of information technology, drawing on models borrowed from social psychology, typically views adoption as a function of individual attitudes, the influence of others, perception of ability to perform a particular behaviour, and facilitating factors. A significant limitation of these models, in technology-adoption situations, is failure to consider the features of the technology itself. This essentially theoretical paper introduces the construct ‘website features’ as potentially influential in technology adoption, and specifically Internet banking. Research evidence on the salience of such features is reviewed, and it is argued that the effective features and their impacts differ along the stages of the customer purchase process. A theoretical framework is developed for evaluating website design in relation to these stages. Incorporating this construct into existing models, it is argued, will advance marketing theory in an online environment and assist website designers in enhancing website effectiveness to the benefit of the business–customer relationship. 相似文献
993.
Innovation in financial markets, spurred to a significant extentby developments in finance theory and financial econometrics,has played a critical role in spurring economic growth. However,the current turmoil in financial markets raises fundamentalquestions about the nature of financial innovation and the roleof policymakers in maintaining financial stability. This paperexplores these questions, focusing on the complexities of modelingfinancial risk and the potential trade-off between policiesaimed at combating short-run financial instability on the onehand and the potential financial market distortions and moralhazard that can result from such policies on the other. 相似文献
994.
We discuss how to test the specification of an ordered discrete choice model against a general alternative. Two main approaches can be followed: tests based on moment conditions and tests based on comparisons between parametric and nonparametric estimations. Following these approaches, various statistics are proposed and their asymptotic properties are discussed. The performance of the statistics is compared by means of simulations. An easy-to-compute variant of the standard moment-based statistic yields the best results in models with a single explanatory variable. In models with various explanatory variables the results are less conclusive, since the relative performance of the statistics depends on both the fit of the model and the type of misspecification that is considered. 相似文献
995.
This paper compares the official and alternative statistical estimates of the financial performance of wholesale trade in 2001 and its dynamics in 2000–2004. The causes of the sector’s high profitability and the rise in turnover in recent years are ascertained. A comparative study of wholesale trade in the Soviet era and the present is made and the functions of wholesale in today’s Russia and economically advanced countries are contrasted. The negative role of wholesale trade in the present economy of Russia is demonstrated, which stems from the special characteristics of the functions it performs. The case is made for a sharp increase in the sector’s taxation and the amount of its possible tax load is calculated. 相似文献
996.
This paper bridges the gap between two‐country Ricardian trade models where differences in environmental policies create pollution havens in a poorer region with weaker pollution regulations, and 2 × 2 Heckscher–Ohlin models that predict under certain conditions that pollution havens may occur in a richer region with tighter regulations. By relaxing the Heckscher–Ohlin assumptions of factor price equalization and no specialization, we show how creation of pollution havens in either region is possible, due to the interplay of policy and factor‐endowment motives. We also analyze the conditions for creating pollution havens in the cases of exogenous and endogenous environmental policy. 相似文献
997.
Previous research has suggested that inequality is lower in Spain than in the United States when it is based on income. For the present article, both inequality and social welfare are examined, with household consumption expenditures used as a proxy for household welfare. For tractability, equivalence scales depended only on the number of people in the household. Household-specific price indices were used to express the 1990-1991 expenditure distributions in 1981 and 1991 winter prices. Our results reveal that inequality and welfare comparisons are drastically different for smaller and larger households. When all households are considered, the two-country comparison suggests that the income inequality ranking can only be maintained for expenditure distributions when economies of scale are small or nonexistent. However, welfare is always higher in the United States than in Spain. Because inflation during the 1980s in both countries was essentially distributionally neutral, all results appear to be robust to the choice of time period. 相似文献
998.
L.A. Foreman C. Champod I.W. Evett J.A. Lambert S. Pope 《Revue internationale de statistique》2003,71(3):473-495
The paper provides a review of current issues relating to the use of DNA profiling in forensic science. A short historical section gives the main statistical milestones that occurred during a rapid development of DNA technology and operational uses. Greater detail is then provided for interpretation issues involving STR DNA profiles, including:
Experience of presenting DNA evidence within UK courts is also discussed. The paper then summarises a generic interpretation framework based on the concept of likelihood ratio within a hierarchy of propositions. Finally the use of Bayesian networks to interpret DNA evidence is reviewed. 相似文献
– methods that take account of population substructure in DNA calculations;
– parallel work carried out by the US National Research Council;
– the move away from multiple independence testing in favour of experiments that demonstrate the robustness of casework procedures;
– the questionable practice of source attribution 'with reasonable scientific certainty';
– the effect on the interpretation of profiles obtained under increasingly sensitive techniques, the LCN technique in particular;
– the use of DNA profiles as an intelligence tool;
– the interpretation of DNA mixtures.
Experience of presenting DNA evidence within UK courts is also discussed. The paper then summarises a generic interpretation framework based on the concept of likelihood ratio within a hierarchy of propositions. Finally the use of Bayesian networks to interpret DNA evidence is reviewed. 相似文献
999.
The aim of this paper is to assess the effects of accession to the EC on the UK agricultural input industries using a technique commonly applied to examining the effects of accession on the manufacturing sector, the main emphasis being on trade patterns. Some attempt is made to differentiate between the effects of market-widening and of the CAP, and an assessment of the welfare implications is given. The results indicate that the effect of market-widening on the input industries was more important than the effect of the CAP and that the net loss of trade diversion was slightly outweighed by the benefits of export expansion 相似文献
1000.
Julie I. Siciliano 《Journal of Business Ethics》1996,15(12):1313-1320
Wider diversity in board member characteristics has been advocated as a means of improving organizational performance by providing boards with new insights and perspectives. With data from 240 YMCA organizations, a board diversity index was constructed and compared to multiple measures of board member diversity. Results revealed higher levels of social performance and fundraising results when board members had greater occupational diversity. Gender diversity compared favorably to the organization's level of social performance but a negative association surfaced for level of funds raised. The diversity in board member age groupings was linked to higher levels of donations. 相似文献