文章基本信息

标题：Product Mix and Firm Productivity Responses to Trade Competition
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作者：Thierry Mayer ; Marc Melitz ; Gianmarco Ottaviano 等
期刊名称：Document de Travail / Centre d'Etudes Prospectives et d'Informations Internationales
出版年度：2016
页码：1
出版社：Paris
摘要：We document how demand shocks in export markets lead French multi-product exporters to re-allocate the mix of products sold in those destinations. In response to positive demand shocks, those French firms skew their export sales towards their best performing products; and also extend the range of products sold to that market. We develop a theoretical model of multi-product firms and derive the specific demand and cost conditions needed to generate these product-mix reallocations. Our theoretical model highlights how the increased competition from demand shocks in export markets-and the induced product mix reallocations-induce productivity changes within the firm. We then empirically test for this connection between the demand shocks and the productivity of multi-product firms exporting to those destinations. We find that the effect of those demand shocks on productivity are substantial-and explain an important share of aggregate productivity fluctuations for French manufacturing.
关键词：Multiproduct Firms ; Productivity ; Trade