Estimates of the Trade and Welfare Effects of NAFTA
NBER Working Paper No. 18508
We build into a Ricardian model sectoral linkages, trade in intermediate goods, and sectoral heterogeneity in production to quantify the trade and welfare effects from tariff changes. We also propose a new method to estimate sectoral trade elasticities consistent with any trade model that delivers a multiplicative gravity equation. We apply our model and use our estimated elasticities to identify the impact of NAFTA's tariff reductions. We find that Mexico's welfare increases by 1.31%, U.S.'s welfare increases by 0.08%, and Canada's welfare declines by 0.06%. We find that intra-bloc trade increases by 118% for Mexico, 11% for Canada and 41% for the U.S. We show that welfare effects from tariff reductions are reduced when the structure of production does not take into account intermediate goods or input-output linkages. Our results highlight the importance of sectoral heterogeneity, intermediate goods and sectoral linkages for the quantification of the welfare gains from tariffs reductions.
This paper was revised on December 8, 2014
Document Object Identifier (DOI): 10.3386/w18508
Published: “Estimates of the Trade and Welfare Effects of NAFTA” (with F. Parro) NBER Working Paper No. 18508, 2012 The Review of Economic Studies (2015) 82(1): 1-44 citation courtesy of
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