期刊
JOURNAL OF INTERNATIONAL ECONOMICS
卷 91, 期 1, 页码 53-67出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jinteco.2013.05.001
关键词
Product productivity; Process productivity; Quality; Fixed costs; Exports; Conditional exporter premia
类别
We develop a model of international trade with two dimensions of firm heterogeneity. The first dimension is process productivity, which is how we denote the standard concept of productivity as modeled in the literature. The second one is product productivity, defined as firms' ability to develop high-quality products spending small fixed outlays. The distinction between these two sources of productivity, together with the assumption that iceberg trade costs decrease with quality, delivers various conditional exporter premia as theoretical predictions. Conditional on size, exporters sell higher quality products, charge higher prices, pay higher input prices and higher wages, and use capital more intensively. Some of these predictions had already been documented in the empirical literature but lacked a theoretical framework for properly interpreting them. We conduct systematic tests of these predictions using manufacturing establishment data for India, the U.S., Chile, and Colombia, and find strong support for the model. (C) 2013 Elsevier B.V. All rights reserved.
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