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981.
This paper identifies two notions of substitutes for auction and equilibrium analysis. Weak substitutes, the usual price-theory notion, guarantees monotonicity of tâtonnement processes and convergence of clock auctions to a pseudo-equilibrium, but only strong substitutes, which treats each unit traded as a distinct good with its own price, guarantees that every pseudo-equilibrium is a Walrasian equilibrium, that the Vickrey outcome is in the core, and that the “law of aggregate demand” is satisfied. When goods are divisible, weak substitutes along with concavity guarantees all of the above properties, except for the law of aggregate demand. 相似文献
982.
Using a large population-based dataset, we estimate a substantial intergenerational transmission of IQ scores; a 10% increase in father's score at age 18 is associated with a 3.2% increase in son's score. This relationship also holds true for various subpopulations. 相似文献
983.
We explore how firm capabilities affect the diffusion of technology brought with foreign direct investment (FDI). Using a panel dataset on Indonesian manufacturers from 1988 to 1996, we measure how the productivity of differing domestic firms responds to the entry of multinational competitors. We find that firms with investments in research and development and firms with highly educated employees adopt more technology from foreign entrants than others. In contrast, firms that have a small “technology gap,” meaning that they are close to the international best-practice frontier, benefit less than firms with weak prior technical competency. This finding suggests that the marginal return to new knowledge is greater for firms that have more room to “catch up” than it is for already competitive firms. 相似文献
984.
We estimate quarterly cointegrating vector autoregressive models for the Eurozone and the USA based on long-run restrictions
derived from a dynamic open economy model. Three long-run relations between the Eurozone and the USA emerge: relative purchasing
power parity, international interest parity and a stationary output gap between the two economies. Generalized impulse response
functions show differences in the dynamic adjustment of the two economies. Due to the I(1)-characteristic of both output series
and the stability conditions imposed by the long-run equilibrium relationships, shocks to the model produce level effects
only, while growth rates converge to their long-run averages.
相似文献
Thomas UrlEmail: |
985.
Zusammenfassung Zur überwindung der aktuellen Krise wird nicht nur in Deutschland das Instrument der Kurzarbeit verwendet. Es ist in Deutschland
im Vergleich zu anderen L?ndern jedoch sehr gro?zügig gestaltet und wurde kürzlich sogar noch ausgeweitet. Damit besteht die
Gefahr, dass nicht nur — wie beabsichtigt — bei einem vorübergehenden Arbeitsausfall Entlassungen verhindert werden, sondern
notwendige strukturelle Anpassungen verz?gert werden. Wie ist die Ausgestaltung der deutschen Kurzarbeit zu bewerten?
Dr. Werner Eichhorst, 40, ist stellvertretender Direktor am Institut zur Zukunft der Arbeit, IZA in Bonn; Paul Marx, 26, Dipl.-Politologe,
ist dort als Doktorand t?tig.
Erweiterte und aktualisierte Fassung von W. Eichhorst, P. Marx: Le ch?mage partiel, ammortisateur social de la crise?, in:
Regards sur l’Economie Allemande, H. 90, S. 23–30. 相似文献
986.
Guided by insights from cognitive theories, this article explores the links between entrepreneurs' prior business ownership experience and their opportunity identification behavior. Hypotheses were tested using data from 630 entrepreneurs. Experienced entrepreneurs identified more opportunities and exploited more innovative opportunities with greater wealth creation potential. Entrepreneurs that had owned more than 4.5 businesses, however, identified fewer opportunities. The nature of prior business ownership experience also shaped opportunity identification behavior. An inverse U-shaped relationship was detected between the proportion of failed businesses relative to the number of businesses owned and the number of opportunities identified in a given period. Business failure experience was not associated with the innovativeness of exploited opportunities. 相似文献
987.
This study adopts a multi-level theoretical framework to examine data from 496 entrepreneurs in Ghana. Seven types of innovation
activity are analysed against three categories of variables: the characteristics of the entrepreneur, the internal competencies
of the firm, and firm location. Across all respondents, the incidence of incremental innovation was far greater than novel
innovation. The extent of innovation was related to the education level of the entrepreneur. Firm size and involvement in
exporting were positively related to innovation, but firm growth is less systematically so. Innovation was greater in firms
located in conurbations compared to firms located in large and small towns. We conclude with suggestions for policy to promote
entrepreneurship and innovation in Ghana.
相似文献
988.
Paul R. Messinger Jin Li Eleni Stroulia Dennis Galletta Xin Ge Sungchul Choi 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2009,26(4):267-285
We introduce this special issue by addressing seven key challenges associated with managing hybrid human-automated service systems. These consist of the following:
- 1 What strategic and tactical issues arise when managing hybrid service systems?
- 2 How should the core “value proposition” be set?
- 3 What special considerations arise in the design and implementation phases?
- 4 How can service delivery be managed to identify systemic problems and to address service breakdowns?
- 5 How can communications with clients improve the functioning of service systems?
- 6 What performance measures should be used to monitor process, outputs, client perceptions, and financial outcomes?
- 7 How can we coordinate the various interdisciplinary activities needed to address the previous six issues?
989.
Wendy W. N. Wan Chung-Leung Luk Oliver H. M. Yau Alan C. B. Tse Leo Y. M. Sin Kenneth K. Kwong Raymond P. M. Chow 《Journal of Business Ethics》2009,88(Z1):185-196
On one hand, Chinese consumers are well known for conspicuous consumption and the adoption of luxury products and named brands.
On the other hand, they also have a bad reputation for buying counterfeit products. Their simultaneous preferences for two
contrasting types of product present a paradox that has not been addressed in the literature. This study attempts to present
an explanation of this paradox by examining the effects of traditional Chinese cultural values and consumer values on consumers’
deontological judgment of pirated CDs and the amount of social benefits they perceive they gain from them. We interviewed
300 Hong Kong Chinese consumers, and found that face consciousness increased materialism and risk aversion, thereby producing
a favorable deontological judgment of pirated CDs. Face consciousness also has a direct effect on the amount of social benefits
perceived in pirated CDs. Both favorable deontological judgment and perceived social benefits contributed to a strong intention
to buy pirated CDs. The results are discussed in a cultural perspective. 相似文献
990.