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Model predictive control with proportional transactions costs provides a good approximation to the optimal trading strategy 相似文献
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Tadashi Morita Yukiko Sawada Kazuhiro Yamamoto 《Journal of Public Economic Theory》2020,22(3):698-728
This study presents a two‐country model of subsidy competition for manufacturing firms under labor market imperfections. Because subsidies affect the distribution of firms, subsidies influence unemployment rates and welfare in both countries. We show that when labor market frictions are high, subsidy competition is beneficial, although subsidies under subsidy competition are inefficiently high. In the coordinated equilibrium, the supranational authority provides a subsidy to firms that equal the expected total search costs, which increases the number of firms relative to laissez‐faire and improves welfare relative to laissez‐faire and subsidy competition. Finally, we find that a rise in a country's labor market frictions raises the equilibrium subsidy rate, affects unemployment rates, and lowers welfare. 相似文献
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Hiroyuki Yamada 《Revue africaine de developpement》2012,24(1):41-51
Abstract: Using the case of South Africa, we study compliance with the minimum wage law when completely new minimum wage levels are established. By even the best estimate, the compliance rate in South Africa would not exceed 40 per cent for the agricultural sector and 30 per cent for the domestic worker sector. The compliance rates by subpopulation groups reveal that the compliance rate is low where the cost to comply with the minimum wage law is high, implying that government inspections are not done where they are likely to have the highest payoff. However, if the government tries to enforce the policy more strictly, the poor/less skilled would be adversely affected. 相似文献
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In the late 1960s and early 1970s there was a strong revival of interest in the role of factor-market distortions in those branches of our subject which rely on the Lerner–Samuelson two-by-two model of production. Among the legacies from that period were several comparative statical propositions which seemed counterintuitive or paradoxical. However, the revival lost momentum when confronted with Neary's observation that the major paradoxes are associated with unstable equilibria and therefore rarely observed. On the other hand, there are now seen to be several errors in Neary's analysis. For example, in the important case of a closed economy (and, by interpretation, in the case of a large open economy) he overlooked the fact that paradoxes can be associated with stable equilibria. 相似文献
6.
Tadashi Inoue 《Review of International Economics》2008,16(2):315-326
Based on the recursive preference approach, the dynamic and global properties of the two‐country open economy are examined with one good and inputs of labor and capital, with capital being freely traded internationally. First, by showing that the world's consumption increases (decreases) with an increase (decrease) in the world's capital, the global stability of the economy is obtained. Secondly, the nonmonotonicity of consumption between impatient country 1 and patient country 2 is established. Thirdly, with the Cobb–Douglas‐type production function and country 1's technological superiority, the dynamic trade patterns and the asset–debt position are derived. 相似文献
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A world model of industry and trade is developed to evaluate the probable global impact of robotization on the macro and sectoral economies. It is found that robotization in Japan and Korea has a positive impact on their economic growth, whereas robotization in the United States apparently has a negative impact on economic growth. It is also found that the international impacts of robotization in Japan are negative for the United States, but positive for the Korean economy. 相似文献
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PLM education in production design and engineering by e-Learning 总被引:1,自引:1,他引:0
Munenori Kakehi Tetsuo Yamada Ichie Watanabe 《International Journal of Production Economics》2009,122(1):479
These days more attention is being paid to Product Lifecycle Management (PLM) using a technique for managing total product planning, design, manufacturing, sales, and disposal. We researched business processes and education curriculum of the PLM system in manufacturing businesses. We designed the curriculum of PLM education and developed part of a lesson. Most importantly, e-Learning is shown to be an effective tool for achieving educational objectives. We found that not only knowledge and theory but also practical education methods using case studies in an e-Learning environment are necessary for human resources to develop effective PLM. 相似文献
10.
First we treat a three-dimensional continuous time abstract stationary model that includes one predetermined variable and two non-predetermined variables. We construct stationary sunspot equilibria in this model under the following two alternative conditions: (i) a steady state has two stable roots and one unstable root; and (ii) A closed orbit has a two-dimensional manifold on which it is asymptotically stable. Next, we apply these results to the models due to Lucas and Romer that undergo Hopf bifurcations for some parameter values. We construct sunspot equilibria in these models. 相似文献