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政大機構典藏 > 商學院 > 國際經營與貿易學系 > 期刊論文 > Item 140.119/62727

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題名:	An Open Economy General Equilibrium Model with Heterogeneous Producers, a Homothetic Utility Function and Endogenous Elasticity
作者:	徐則謙 Hsu,Tsechien
貢獻者:	國貿系
關鍵詞:	Endogenous elasticity;F12;Firm dynamic;Heterogeneous firms;Homothetic demand;International trade
日期:	2010.09
上傳時間:	2013-12-19 12:03:27 (UTC+8)
摘要:	Recent monopolistic competition models have identified three main sources of the gains from trade: (1) the introduction of new varieties for consumers, (2) an improvement in efficiency through the exit of low-productivity firms, and (3) a reduction in firms` markups through import competition. In this paper, we extend Feenstra (Economics Letters, 78(1):79-86, ) to develop a model with producers heterogeneous in productivity to capture these gains. Here, firm markups are decreasing with market share, and trade introduces new varieties to consumers and reduces the market share of domestic firms. This reduces markups and profits and forces low-productivity firms to exit. This pro-competitive effect on the distribution of productivity contrasts with the conventional export-driven mechanism in a constant elasticity setup. We can usefully extend this model for further study because of the homotheticity of the utility function and the tractability of the model.
關聯:	Review of World Economics, 146(4), 799-818
資料類型:	article
DOI 連結:	http://dx.doi.org/10.1007/s10290-010-0071-9
DOI:	10.1007/s10290-010-0071-9
顯示於類別:	[國際經營與貿易學系 ] 期刊論文

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