Determinants of Exports: Productivity or Fixed Export Costs

Young gui Kim, Jeongmeen Suh
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引用次数: 2

Abstract

The purpose of this paper is to develop a theoretical framework to take several key determinants of exports into consideration and to propose an empirical model to identify which factors affect firms’ export performance, whether to start exporting (export extensity) and how much they will export (export intensity). Extending the Melitz (2003) model, in our theoretical part, we consider firm heterogeneity in two dimensions; fixed cost as well as productivity. As a result, when a firm with low productivity engages in exporting, there can also be a higher productive firm facing relatively high fixed cost. This allows us to resolve the difficulty in interpreting controversial empirical results, for example, whether productivity or firm size is a key determinant of export. Furthermore, in our empirical part, by using Korean firm-level data, we conclude that productivity plays an important role when a firm decides whether to start exporting, while fixed export costs variables are important determinants of fractions of outputs to be exported.
出口的决定因素:生产率还是固定出口成本
本文的目的是建立一个理论框架来考虑出口的几个关键决定因素,并提出一个实证模型来确定哪些因素影响企业的出口绩效,是否开始出口(出口广度)以及他们将出口多少(出口强度)。扩展Melitz(2003)模型,在理论部分,我们从两个维度考虑企业异质性;固定成本和生产力。因此,当一个生产率较低的企业从事出口时,也可能有一个生产率较高的企业面临相对较高的固定成本。这使我们能够解决解释有争议的实证结果的困难,例如,生产率还是企业规模是出口的关键决定因素。此外,在我们的实证部分,通过使用韩国企业层面的数据,我们得出结论,当企业决定是否开始出口时,生产率起着重要作用,而固定出口成本变量是出口产出比例的重要决定因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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