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11.
This paper presents an approach for discussing the state of society, which is measured by multiple social indicators, using data envelopment analysis (DEA). Replacing inputs and outputs in DEA with negative and positive social indicators respectively, we analyze the desirability of living in the 47 prefectures of Japan. This is also a proposal for the potential use of DEA in multi-dimensional evaluation analysis other than the standard DEA efficiency analysis. The results using eight social indicators identify 26 DEA desirable prefectures out of the 47 and present other useful knowledge and information. It is concluded that DEA, which can avoid uniform evaluation by an a priori weighting system, provides availability as a comprehensive evaluation tool different from traditional ones. 相似文献
12.
Michio Hashimoto 《Asian Economic Journal》1994,8(1):115-145
13.
Takaaki Ohnishi Hideki Takayasu Takatoshi Ito Yuko Hashimoto Tsutomu Watanabe Misako Takayasu 《Journal of Economic Interaction and Coordination》2008,3(1):99-106
We empirically investigate price fluctuations of yen-dollar exchange rate using the high-frequency data recorded in the electronic
broking system for seven-year period. The distribution of quote price changes has symmetric fat-tails approximated by a power
law; however, that of deal price is asymmetrical. The autocorrelation function and diffusion of price changes indicate that
quote price exhibits anti-correlation feature in short time scale, whereas deal price is essentially uncorrelated. The bid-ask
spread shows power-law distribution and long range temporal correlations similar to that observed in absoute price changes.
相似文献
14.
This paper considers how monopoly power affects the relationship between economic integration and economic growth that is not biased by a scale effect. In a two‐country model of trade, productivity growth is generated by firm‐level investment in process innovation, and the location of economic activity is determined by relative market size, trade costs and imperfect knowledge diffusion. Equilibrium features the partial concentration of manufacturing and the full concentration of innovation in the larger country. Increased economic integration raises the concentration of manufacturing in the larger country, and when monopoly power is strong, leads to decreased product variety, accelerated productivity growth and greater national welfare. With weak monopoly power, however, it raises product variety and dampens productivity growth, but may benefit or hurt welfare. 相似文献
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Hiroshi Honda M.D. Hideo Onitsuka Eisuke Adachi Kouichirou Ochiai Masaki Gibo Koutarou Yasumori Takashi Matsumata Keizou Sugimachi Kouji Masuda 《Empirical Economics》1993,18(3):247-252
The capabilities of computed tomography (CT), ultrasonography (US), and magnetic resonance (MR) imaging were studied in order to determine the role of each of these noninvasive examinations for estimating the T-factor of hepatocellular carcinomas (HCCs). Fifty-one patients with surgically proven HCCs received CT (50 patients), US (46 patients), and MR (44 patients). The images of CT, US, and MR were prospectively evaluated for main tumor size, intrahepatic metastases, and vascular invasion, which compose the T-factor of HCC, and compared to pathological results. The sizes of the main tumor were estimated correctly by all examinations. For estimating intrahepatic metastases, US (74%) and MR (73%) were superior to CT (65%). For estimating portal invasion, CT (79%) was superior to US (70%) and MR (66%), because CT could demonstrate the segmental staining caused by portal invasion. The estimates of hepatic venous invasion were difficult during any of the examinations. We conclude that presurgical evaluations of the T-factor require the use of US and CT or MR and CT. 相似文献
18.
Hideo Ishida 《人力资源管理》1986,25(1):103-120
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Ken‐ichi Hashimoto 《Metroeconomica》2011,62(2):305-327
We develop a two‐country model of international trade with outsourcing opportunities, and analyze the effects of outsourcing on employment and effective demand under stagnation. Increased outsourcing proves not only to lower employment but also to depreciate the real exchange rate which has the effect of boosting employment. The latter also dominates the former, such that employment and consumption are stimulated. The home and foreign countries respond in opposite ways, however, to the production shift and the real exchange rate adjustment. Furthermore, we find that the effects of outsourcing on consumption are opposite in the presence, and the absence, of unemployment. 相似文献