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Exploring the Intensive and Extensive Margins of World Trade

Gabriel J. FelbermayrWilhelm Kohler

出版	Univ., Center for Economic Studies, 2004
URL	http://books.google.com.hk/books?id=zYbMGwAACAAJ&hl=&source=gbs_api

註釋

World trade evolves at two margins. Where a bilateral trading relationship already exists it may increase through time (intensive margin). But trade may also increase if a trading bilateral relationship is newly established between countries that have not traded with each other in the past (extensive margin). We provide an empirical dissection of post-World-War-II growth in manufacturing world trade along these two margins. We propose a corner-solutions-versionʺ of the gravity model to explain movements on both margins. A Tobit estimation of this model resolves the so-called distance-puzzleʺ. It also finds more convincing evidence than recent literature that WTO-membership enhances trade.