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Establishment heterogeneity, exporter dynamics, and the effects of trade liberalization

  • George Alessandria
  • Horag Choi

The authors study a variation of the Melitz (2003) model, a monopolistically competitive model with heterogeneity in productivity across establishments and fixed costs of exporting. They calibrate the model to match the employment size distribution of US manufacturing establishments. Export participation in the calibrated model is then compared to the data on US manufacturing exporters. With fixed costs of starting to export about 3.9 times as large as costs of continuing as an exporter, the model can match both the size distribution of exporters and transition into and out of exporting. The calibrated model is then used to estimate the effect of reducing tariffs on welfare, trade, and export participation. The authors find sizeable gains to moving to free trade. Contrary to the view that the gains to lowering tariffs are larger in models with export decisions, they find that steady state consumption increases by less in their benchmark model of exporting than in a similar model without fixed costs. However, they also find that comparisons of steady state consumption understate the welfare gains to trade reform in models with fixed costs and overstate the welfare gains in models without fixed costs. With fixed costs, tariffs lead to an overaccumulation of product varieties which can be used more effectively along the transition to the new steady state. Thus, following trade liberalizations economic activity overshoots its steady state, with the peak in output coming 10 years after the trade reform. Finally, the authors explore the impact of the key modelling assumptions in the theoretical literature for quantitative results.

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Paper provided by Federal Reserve Bank of Philadelphia in its series Working Papers with number 07-17.

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Date of creation: 2007
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Handle: RePEc:fip:fedpwp:07-17
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  1. Richard E. Baldwin & Rikard Forslid, 2010. "Trade Liberalization with Heterogeneous Firms," Review of Development Economics, Wiley Blackwell, vol. 14(2), pages 161-176, 05.
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  29. Kei-Mu Yi, 2003. "Can Vertical Specialization Explain the Growth of World Trade?," Journal of Political Economy, University of Chicago Press, vol. 111(1), pages 52-102, February.
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