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排序方式: 共有75条查询结果,搜索用时 15 毫秒
1.
Model predictive control with proportional transactions costs provides a good approximation to the optimal trading strategy 相似文献
2.
This paper considers the object allocation problem introduced by Shapley and Scarf (J Math Econ 1:23–37, 1974). We study secure
implementation (Saijo et al. in Theor Econ 2:203–229, 2007), that is, double implementation in dominant strategy and Nash
equilibria. We prove that (1) an individually rational solution is securely implementable if and only if it is the no-trade solution, (2) a neutral solution is securely implementable if and only if it is a serial dictatorship, and (3) an efficient solution is securely implementable if and only if it is a sequential dictatorship. Furthermore, we provide a complete characterization
of securely implementable solutions in the two-agent case: a solution is securely implementable if and only if it is either
a constant solution or a serial dictatorship. 相似文献
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Charles Yuji Horioka 《The Japanese Economic Review》2002,53(1):26-54
I analyse a variety of evidence for Japan and, where available, for the United States on bequest practices, the importance and nature of bequest motives, bequest division, the willingness of individuals to help others, etc., in order to shed light on which model of household behaviour applies in the two countries. My results suggest that the selfish lifecycle model is the dominant model of household behaviour in both countries but that it is far more applicable in Japan; that the dynasty model is also more applicable in Japan but is not of dominant importance even there; and, conversely, that the altruism model is far more applicable in the USA. JEL Classification Numbers: D12, D64, D91, E21. 相似文献
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Yuji Kubo 《World development》1985,13(12):1287-1298
This paper compares the patterns of intermediate input use, the levels of overall and domestic industrial linkages, and the role of imported intermediate goods in production among nine countries and over time, based on input-output data. Evidence on distinct differences in overall interindustry linkages and import contents between Korea and Taiwan on the one hand and Turkey, Colombia, and Mexico on the other are presented. The differences are then related to the differences in export structure and in trade and industrial policies adopted in each country. 相似文献
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Explaining Foreign Holdings of Asia's Debt Securities: The Feldstein–Horioka Paradox Revisited* 下载免费PDF全文
In this paper, we find that home bias is still present in all economies and regions, especially in the case of short‐term debt securities, but that there are substantial variations among economies and regions in the strength of home bias, with the eurozone economies, the USA and developing Asia showing relatively weak home bias and advanced Asia, especially Japan, showing relatively strong home bias. We then examine trends over time in foreign holdings of debt securities and find that capital has been flowing from the USA and the eurozone economies to both advanced Asia (especially Japan) and developing Asia, and that foreign holdings of debt securities have been increasing in advanced as well as developing Asia but for different reasons. The main reason in the case of advanced Asia (especially Japan) appears to be higher risk‐adjusted returns, whereas the main reason in the case of developing Asia appears to be the growth of debt securities markets combined with relatively weak home bias and (in the case of short‐term securities) lower exchange rate volatility. Finally, we find that since the global financial crisis, foreign holdings of debt securities have declined (i.e. that home bias has strengthened) in all economies and regions except developing Asia, where they have increased (except for a temporary decline in 2008) but where their share is still much lower than the optimal share warranted by the capital asset pricing market model. 相似文献
9.
The impact of e-commerce: It always benefits consumers, but may reduce social welfare 总被引:1,自引:0,他引:1
Yuji Nakayama 《Japan and the World Economy》2009,21(3):239-247
This paper investigates the impact of e-commerce on social welfare using a linear city model. Our model incorporates the diversity of consumers such that some can purchase the good via the Internet while others cannot. Our main result is as follows. The appearance of e-commerce enhances retail competition and always increases consumer surplus. However, total surplus does not necessarily improve. This is because the equilibrium market division between conventional stores and e-commerce is not socially optimal and efficiency loss of distribution accrues if the population of Internet shoppers is small and/or the cost of e-commerce is high. Our theoretical results indicate that the small e-commerce market share in the Japanese and US economies may result in welfare loss. 相似文献
10.
Abstract. This paper describes innovation from the viewpoint of biologic evolution, a complex adaptive system. First, three characteristics of complex adaptive systems – variation, interaction and selection – are explained. Second, we propose that variation in R&D activities is brought about by innovation seeds, which can be subdivided into reproduction and mutation types. Third, taking into account the concept of an innovation seed, we propose our innovation creation process model. Finally, our proposed concept is validated through case studies of (i) a mass analyser business by Shimadzu and (ii) a carbon nanotube business by NEC. 相似文献