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21.
Can smaller classes lead to better educational outcomes and greater equality in achievement? We estimate the causal effects of class size on achievement tests by using discontinuous changes in class size under the Japanese public compulsory education system. We employ a value‐added model that uses achievement tests conducted at two different times during the same school year. Our results show that a reduction in class size has significantly positive effects on Japanese language test scores in the sixth grade, especially at schools in wealthy areas. However, we find no evidence that a universal small class policy closes the achievement gap among schools. 相似文献
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Takashi Okamoto Nobuyuki Soga Taro Kumagai Hideo Arai 《The Review of Socionetwork Strategies》2017,11(2):143-157
This study examines the gap between the competencies that companies expect of university students and those that university students believe companies are seeking. We find that a gap exists between companies’ and students’ evaluations of the competencies required in the workplace. Surprisingly, companies’ and students’ priorities related to competencies are different. Our results show that both companies and students highly value versatile personal competencies as essential skills for employees. Teamwork skills are not a top priority for companies although students value them highest of the various attributes. Gaps also exist between the two groups regarding their evaluation of personality traits. These findings contribute to the development of appropriate curricula for universities and career education. 相似文献
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This paper identifies a domain of payoff functions inno spillovernoncooperative games withPositive externalitywhich admit a pure strategy Nash equilibrium. Since in general a Nash equilibrium may fail to exist, in order to guarantee the existence of an equilibrium, we impose two additional assumptions,AnonymityandOrder preservation. The proof of our main result is carried out by constructing, for a given gameG, a potential function Ψ over the set of strategy profiles in such a way that the maximum of Ψ yields a Nash equilibrium in pure strategies ofG.Journal of Economics LiteratureClassification Numbers: C72, D62, H73. 相似文献
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This paper compares the equilibrium outcomes in search markets with and without referrals. Although it seems clear that consumers would benefit from referrals, it is not at all clear whether firms would unilaterally provide information about competing offers since such information could encourage consumers to purchase the product elsewhere. In a model of a horizontally differentiated product market with sequential consumer search, we show that valuable referrals can arise in the equilibrium: a firm will give referrals to consumers whose ideal product is sufficiently far away from the firm's offering. We allow firms to price-discriminate among consumers, and consumers to misrepresent their tastes. We found that the equilibrium profits tend to be higher in markets with referrals than in markets without. Consumers tend to be better off in the presence of referrals when search costs are not too low, and under a certain parameter range, referrals lead to a Pareto improvement. 相似文献
27.
老龄化与日本的社会保障 总被引:2,自引:0,他引:2
日本今年3月发生的大地震和核发电站的泄露事故,给政府和国民敲响警钟,震灾后的复兴,同时也是日本社会保障、社会福利的复兴。本文就日本的老龄化、社会保障、社会福利服务的现状进行分析,同时提出了社会保障构造改革后社会保障政策的诸多问题,并就日本社会保障未来的发展方向提出了思考和建议。 相似文献
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Shigeki Sakakibara Bo Hansson Tadanori Yosano Hideo Kozumi 《Australian Accounting Review》2010,20(3):274-285
This study is based on a survey of 324 financial analysts in Japan. The survey concerns analysts’ perceptions of intellectual capital (IC) information and its links to the evaluation of companies. The value relevance of and the access to IC‐related information reveals a large gap on many items. The analysis further shows that the lack of access to information hampers analysts’ use of IC in their evaluation of companies, particularly in their use of human capital measures. Attitudes towards more disclosure and standardisation are mainly driven by perceptions of what generates value in companies. 相似文献
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Hideo Noda 《Applied economics letters》2019,26(18):1485-1493
This study aims to show the importance of disability insurance from an environmental policy perspective. Within the framework of an overlapping generations model, we derive the emissions tax rate required to achieve zero net pollution. Our model implies that the emissions tax rate is always lower in the presence of disability insurance than it is in the absence of disability insurance. The results suggest that disability insurance can be used as an instrument for increasing gross domestic product performance when the government implements a zero net emissions policy. 相似文献
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Taiji Furusawa Hideo Konishi Duong Lam Anh Tran 《The Scandinavian journal of economics》2020,122(3):993-1026
We propose a simple theory that shows a mechanism through which international trade entails wage and job polarization. We consider two countries in which individuals with different abilities work either as knowledge workers, who develop differentiated products, or as production workers, who engage in production. In equilibrium, ex ante symmetric firms attract knowledge workers with different abilities, and this creates firm heterogeneity in product quality. Market integration disproportionately benefits firms that produce high-quality products. This winner-take-all trend of product markets causes a war for talents, which exacerbates income inequality within the countries and leads to labor-market polarization. 相似文献