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91.
92.
Joseph M. Kargbo 《Applied economics》2013,45(11):1373-1389
Eastern and southern Africa has been experiencing relatively large increases in real food prices since the early 1980s. Real food prices in some African countries grew as much as 11% per year during the 1980-1996 period. The huge volatility in food prices coincided with the implementation of structural adjustment programmes in several African countries. This study examines the impacts of monetary and macroeconomic factors on real food prices in eastern and southern Africa. Using the technique of cointegration and error correction modelling to test the long-run relationship between real food prices and the factors that influence their behaviour in selected African countries. Demand elasticities for food are estimated for selected countries. The empirical results show that changes in domestic food production, coupled with income, trade, exchange rate and monetary policies have significant impacts on real food prices, with wide implications for food availability and food security in the region. 相似文献
93.
It is widely accepted that countries with sound formal and informal institutions create more robust environments for firm performance. However, due to the liabilities faced by firms without available slack and/or market power, we contend that institutions are especially important for new and small firms. Unfortunately, there is little research examining the potential moderating effect of firm size or age on the relationship between institutional quality and export performance. In response, we hypothesize that institutional quality will be more important to increasing the export performance of new and small firms compared with their large, established counterparts. We test our hypotheses using data from the World Bank’s World Business Environment Survey. The results of our analyses offer support for our model, although some institutional variables appear to be more important to export performance than others. We conclude by discussing the implications of our results. 相似文献
94.
Joseph J. Spengler 《Journal of economic issues》2013,47(1):5-30
This article is not concerned with “A Theory of Value” or “The Theory of Value.” It is strictly limited to a discussion of the concepts specified in its title and consists of three parts. The first of these is concerned with ideas of Charles Sanders Peirce and is based upon a study of his published and unpublished papers contained in the eight-volume edition of his Collected Works.1 The second part is concerned with ideas of Clarence Ayres, primarily those presented in his Toward A Reasonable Society [Ayres 1961]. The third part contains some brief concluding remarks. 相似文献
95.
Joseph S. Fulda 《Economic Affairs》2010,30(1):101-102
The undeniable success of order-maintenance policing (also community policing or broken windows policing) is despite the deficiency in the theory which propelled the practice into policy: Wilson and Kelling's broken windows theory. We discuss what is wrong with the theory and why it nevertheless works when put into practice. 相似文献
96.
Joseph P. Cannon Patricia M. Doney Michael R. Mullen Kenneth J. Petersen 《Journal of Operations Management》2010,28(6):506-521
This research investigates buyer–supplier relationships in international markets. Research and practice have shown that buyer–supplier relationships benefit when partners to the relationship exhibit a long-term orientation. The extant literature suggests that a buyer's trust of a supplier and the supplier's performance affect the buyer's long-term orientation toward the relationship. We propose that the relative effects of trust and performance on long-term orientation are moderated by culture – specifically the individualism/collectivism dimension. Hypotheses are tested on data from two individualist and two collectivist cultures, using responses from over 600 purchasing professionals in the United States, Anglophone Canada, Francophone Canada and Mexico. Taken together, empirical findings suggest that cultural differences warrant consideration in developing successful purchasing strategies. 相似文献
97.
98.
This study empirically tests how and to what extent the choice of the sampling frequency, the realized volatility (RV) measure, the forecasting horizon and the time‐series model affect the quality of volatility forecasting. Using highly synchronous executable quotes retrieved from an electronic trading platform, the study avoids the influence of various market microstructure factors in measuring RV with high‐frequency intraday data and in inferring implied volatility (IV) from option prices. The study shows that excluding non‐trading‐time volatility produces significant downward bias of RV by as much as 36%. Quality of prediction is significantly affected by the forecasting horizon and RV model, but is largely immune from the choice of sampling frequency. Consistent with prior research, IV outperforms time‐series forecasts; however, the information content of historical volatility critically depends on the choice of RV measure. © 2010 Wiley Periodicals, Inc. Jrl Fut Mark 相似文献
99.
Cathy Hart Andrew M. Farrell Grazyna Stachow Gary Reed John W. Cadogan 《The Service Industries Journal》2013,33(5):583-604
In this paper the authors investigate enjoyment of the shopping experience, its influence on consumers' intention to repatronise a regional shopping centre and the effect of gender differences on shopping enjoyment. Four dimensions of shopping enjoyment are proposed and a 16-item measure is developed to assess 536 consumer perceptions of the shopping experience across five counties in the United Kingdom. Findings indicate that shopping experience enjoyment has a significant positive influence upon customers' repatronage intentions. Furthermore, men are found to have a stronger relationship of enjoyment with repatronage than women. The implications of these results are discussed, together with managerial implications, study limitations, and future research directions. 相似文献
100.
Joseph Esfandiar Hannon Bozorgmehr 《Journal of Bioeconomics》2012,14(1):61-75
The success of extant species is largely due to their ability to adapt in the face of constantly changing environmental conditions.
Natural selection is the biological mechanism that takes advantage of opportunities to promote spontaneous variations and
facilitate evolutionary development. The character of this biological opportunism is considered here, placing it firmly within
the context of various social and economic principles—notably individualism, industrialism, utilitarianism and consequentialism—that
have characterised the philosophy of the modern era. However, this purely opportunistic approach, and its myopic emphasis
on immediate problem solving, has serious shortcomings within both life and business practice. These are examined here in
contrast to some of the alternative approaches found in biology and economics theory. The nature and relationship of function
to utility in biology is also given particular consideration, as is the issue of incrementalism in the development of complex
adaptive features. The methodological reductionism at the heart of evolutionary biology certainly does offer insightful empirical
results reported in the scientific literature. Nonetheless, natural selection is observed to be a purely reflexive mechanism
and not one capable of producing the kind of innovation necessary for the more revolutionary changes in an organism’s systems. 相似文献