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Trade, productivity and profitability: On profit levels and profit margins

机译:贸易,生产率和利润率:关于利润水平和利润率

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摘要

Do firms engaging in international trade have higher or lower profit margins? It is well established that more productive firms engage in trading activities and as a result have higher profit levels. We use two theoretical models (the Melitz model and the Egger-Kreickemeier model) to clarify the relationship between productivity, trade activity, and profit margins and derive three hypotheses: (I) profit margins rise as productivity rises for domestic firms; (II) profit margins rise as productivity rises for trading firms; and (III) profit margins are not higher for trading firms than for domestic firms. We test these hypotheses using detailed micro-data for Finland (2005-10) and the Netherlands (2002-10). We find strong support for Hypothesis I (in favour of the Melitz model), Hypothesis II (in favour of both models) and Hypothesis III (in favour of the Egger-Kreickemeier model). A propensity score matching analysis provides further support for Hypothesis III.
机译:从事国际贸易的公司的利润率是高还是低?公认的是,生产能力更高的公司从事贸易活动,因此具有更高的利润水平。我们使用两个理论模型(Melitz模型和Egger-Kreickemeier模型)来阐明生产率,贸易活动和利润率之间的关系,并得出三个假设:(I)利润率随着国内企业生产率的提高而提高; (II)利润率随着贸易公司生产率的提高而提高; (III)贸易公司的利润率不高于国内公司。我们使用芬兰(2005-10)和荷兰(2002-10)的详细微观数据检验了这些假设。我们发现对假设I(支持梅利兹模型),假设II(对两种模型均有利)和假设III(对Egger-Kreickemeier模型均有利)的有力支持。倾向得分匹配分析为假设III提供了进一步的支持。

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