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141.
Fredj Jawadi Nabila Jawadi Hachmi Ben Ameur Abdoulkarim Idi Cheffou 《Applied economics letters》2017,24(8):567-570
This article investigates the performance of Islamic banks (IBs) across four different regions (Egypt, the Gulf, the UK and the US) in the aftermath of the subprime crisis. Using daily data and two performance ratio proxies (ROA (Return on Asset) and Tobin Q), we show that the performance of IBs varies significantly from one region to another, with the highest level for regions in the West. This result suggests a new puzzle as application of the same Sharia Board rules and sales of similar products should normally provide comparable performance outcomes for IBs. 相似文献
142.
This paper examines the effect of trade integration and comparative advantage on one of a country's institutions, which in turn influences its economic efficiency. The environment we explore is one in which a country's lower classes may revolt and appropriate wealth owned by a ruling elite. The elite can avert revolution by incentivizing a potentially productive middle class to sink their human capital into a relatively unproductive bureaucracy. Thus the bureaucracy serves as an institution through which the elite can credibly commit to make transfers to the rest of society, but in the process this reduces economic efficiency. Trade integration alters the relative value of the elite's wealth. This alters the lower classes’ incentive to revolt on the one hand and the elite's incentive to subsidize participation in the inefficient bureaucracy on the other. Therefore, the interaction between a country's comparative advantage and an inefficient economic institution determines whether trade integration increases or reduces economic efficiency. The econometric findings support the model's main prediction. 相似文献
143.
Ben R. Martin Author Vitae 《Technological Forecasting and Social Change》2010,77(9):1438-1447
This article explores how the term ‘foresight’ originally came to be used in connection with science and technology by the author and SPRU colleagues in 1983. It analyses how the rationale for its use evolved over time, first providing a ‘catchy’ title for a study (‘Project Foresight’), and then a convenient shorthand for the focus of that study, before eventually coming to formally signify a new approach to looking systematically into the future of science and technology, an inclusive and wide-ranging process that differed appreciably from that of traditional ‘technology forecasting’. The paper reflects on the importance of concepts and terminology in the field of science policy research, providing examples of how an inappropriate term or phrase can damn the prospects of the research having an impact on policy, while a more politically astute use of terminology can greatly enhance the probability of making a significant impact. The paper also examines other early uses of the concept of ‘foresight’ in the United States and Canada at about the same time. In addition, it highlights the conceptual similarities between foresight and la prospective, a novel approach developed in France not just for looking into the future but also for shaping or even ‘constructing’ the future of our choice, an ambitious aspiration that it shares with foresight. This case-study on the origins and early evolution of ‘technology foresight’ illustrates the essential importance of terminology in differentiating key concepts in social sciences (where it sometimes gives rise to unfortunate priority disputes), and particularly in the case of policy research. 相似文献
144.
Ben D'Exelle 《Feminist Economics》2013,19(2):31-61
Abstract This contribution examines the relation between gender and network formation in rural Nicaragua in 2007 and studies differences in the structure and contents of men's and women's networks. Such differences are relevant, as network theory suggests that structural characteristics – as well as the contents of networks – strongly influence the type and amount of benefits generated. Through the application of dyadic regression techniques, this study examines the determinants of the size and socioeconomic heterogeneity of individual networks. Research findings suggest gender segregation of networks and considerable differences in the structure and content of men's and women's networks. These differences relate to the gendered division of labor and to women's time poverty in particular. Our results are relevant in a context where policy makers increasingly consider social networks an important policy tool. We caution against a gender-blind alignment on existing social networks and argue for detailed mapping and unpacking of social networks through a gender lens. 相似文献
145.
This paper implements strategies that use macroeconomic variables to select European equity mutual funds, including Pan-European, country, and sector funds. We find that several macro-variables are useful in locating funds with future outperformance and that country-specific mutual funds provide the best opportunities for fund rotation strategies using macroeconomic information. Specifically, our baseline long-only strategies that exploit time-varying predictability provide four-factor alphas of 12–13% per year over the 1993–2008 period. Our study provides new evidence on the skills of local versus Pan-European asset managers, as well as how macroeconomic information can be used to locate and time these local fund manager skills. 相似文献
146.
We examine liquidity commonality in commodity futures markets. Using data from 16 agricultural, energy, industrial metal, precious metal, and livestock commodities, we show there is a strong systematic liquidity factor in commodities. Liquidity commonality was present in 1997–2003 when commodity prices were relatively stable and during the recent boom. There is some support for both “supply-side” and “demand-side” explanations for this commonality. We find no evidence of a consistent link between stock and commodity liquidity in general. Energy commodities appear to provide a better hedge against equity market liquidity risk than the other commodity families. 相似文献
147.
We developed a model for estimating the fish population for various species in lakes and rivers. Our estimation focuses, in its first step, on fish species that breed outside the lake. Using the annual outside supply of fingerlings, natural survival rate and reported amounts of fish caught, we estimated fish stock. Given the estimated stock for fish bred outside the lake, we can evaluate the catch rate. Assuming equal catch rates for other species, and given the amount caught for each species, we are able to evaluate each species stock. Using the proposed technique, we evaluated various species stocks in the Sea of Galilee (Lake Kinneret) in Israel. Using our suggested technique for evaluating fish stock, we calculated the optimal effort of fishing needed for maximizing steady state profit of the fishers. 相似文献
148.
149.
Ben Fine 《Review of Political Economy》2013,25(1):157-161
Paul Sweezy's work on the history of the British coal industry gave rise to his doctoral thesis and a published monograph at exactly the same time that he was making the transition from mainstream economics to Marxist political economy. This note explores the peculiar disappearance of this work from his subsequent contributions despite its apparent influence upon and consistency with it. 相似文献
150.
Empirical research on the effect of bank competition on bank risk has so far produced very inconclusive results. In this paper we revisit this long-standing debate and propose a new empirical approach that is concentrated on the relationship between deposit market competition and bank risk. This approach closely follows the traditional theoretical views of the competition and risk relationship and is focused on testing the classical moral hazard problem of the bank: deposit market competition raises the optimal risk choice of the bank by raising the costs of bank liabilities. Since banks can substitute between retail and wholesale funding, we relate deposit market competition to wholesale market conditions and examine their joint effect on the risk of bank assets. The analysis is based on a unique, comprehensive dataset, which combines retail deposit rate data with data on bank characteristics and data on local deposit market features for a sample of 589 US banks. Our results support the notion of a risk-enhancing effect of deposit market competition. 相似文献