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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/53126


    Title: 衡量在獨佔性競爭以及異質生產者下的貿易利得
    Other Titles: Measuring the Gains from Trade with Monopolistic Competition and Heterogeneous Producers
    Authors: 徐則謙
    Contributors: 國立政治大學國際貿易學系
    行政院國家科學委員會
    Keywords: 經濟;獨佔性競爭;異質生產者;貿易利得
    Heterogeneous Firms;Endogenous Elasticity;Gains from Trade;Export-Driven Mechanism;Pro-Competitive gains
    Date: 2011
    Issue Date: 2012-06-22 09:49:17 (UTC+8)
    Abstract: 晚近以獨佔性競爭為基礎之國貿理論點出三個主要的貿易利得：1）貿易擴大消費者可選擇的財貨種類集合、2) 貿易使生產力較低的生產者退出市場, 3) 貿易減少生產者的獨佔力。本計劃提出一個以 Hsu (2010) 為基礎的一般均衡模型，以美國市場為例，試圖在計量上測量這三個利得來源的大小。此外，進一步考慮產業間貿易的可能，檢測在進口競爭產業中，第二及第三個利得是否顯著的高於美國有比較利益的產業。如此，我們等於是在檢測Melitz (2003) 的出口驅動機制，或是 Melitz and Ottaviano (2008) 及 Hsu (2010) 所強調的促進競爭機制，何者較能正確的描繪貿易對不同生產力的生產者的進入及退出決策的引響。
    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. We propose a first attempt to structurally estimate all three sources of gains from trade in U.S.A. and at the same time compared gains from reduction of markups and improvement in efficiency between sectors with different degree of comparative advantage. By doing this, we not only estimate the size of all three sources of gains but also test whether the export-driven mechanism proposed by Melitz (2003) or the import-competing mechanism proposed by Melitz and Ottaviano (2008) and Hsu (2010) more correctly describe the impact on the distribution of firms productivity.
    Relation: 基礎研究
    學術補助
    研究期間:10008~ 10107
    研究經費:386仟元
    Data Type: report
    Appears in Collections:[國際經營與貿易學系 ] 國科會研究計畫

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