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Are All Trade Protection Policies Created Equal?

其他書名	Empirical Evidence for Nonequivalent Market Power Effects of Tariffs and Quotas
出版	National Bureau of Economic Research, 2010
URL	http://books.google.com.hk/books?id=wyaSAQAACAAJ&hl=&source=gbs_api

註釋Abstract: Over the past decades, the steel industry has been protected by a wide variety of trade policies, both tariff- and quota-based. We exploit this extensive heterogeneity in trade protection to examine the well-established theoretical literature predicting nonequivalent effects of tariffs and quotas on domestic firms' market power. Robust to a variety of empirical specifications with U.S. Census data on the population of U.S. steel plants from 1967-2002, we find evidence for significant market power effects for binding quota-based protection, but not for tariff-based protection. There is only weak evidence that antidumping protection increases market power