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Product Switching in a Model of Learning

  • Olga A. Timoshenko

    ()

    (Department of Economics/Institute for International Economic Policy, George Washington University)

New exporters add and drop products with much greater frequency than old exporters. This paper rationalizes this behavior with a model of demand learning in which an exporter’s profitability on the demand side is determined by a time-invariant firmdestination appeal index, and transient firm-destination-year preference shocks. New exporters must learn about their appeal indices in the presence of these shocks, and respond to fluctuations in demand by adding and dropping products more frequently than older exporters because they have less information about their attractiveness to consumers. Calibrated to match cross-section distribution of sales and scope, the model quantitatively accounts for the contribution of the extensive margins to aggregate Brazilian exports. The model predicts that in response to a decline in trade costs, existing exporters add new products and new exporters enter a destination. Counterfactual implies that the contribution of product adding to export growth resulting from trade liberalization is three times larger than the contribution of exporter entry.

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File URL: http://www.gwu.edu/~iiep/assets/docs/papers/Timoshenko_IIEPWP2012-10.pdf
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Paper provided by The George Washington University, Institute for International Economic Policy in its series Working Papers with number 2012-10.

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Length: 39 pages
Date of creation: Sep 2012
Date of revision:
Handle: RePEc:gwi:wpaper:2012-10
Contact details of provider: Web page: http://www.gwu.edu/~iiep/
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  1. Gita Gopinath & Brent Neiman, 2011. "Trade adjustment and productivity in large crises," Working Papers 11-9, Federal Reserve Bank of Boston.
  2. Costas Arkolakis & Marc-Andreas Muendler, 2010. "The Extensive Margin of Exporting Products: A Firm-level Analysis," NBER Working Papers 16641, National Bureau of Economic Research, Inc.
  3. Daniel X. Nguyen, 2010. "Demand Uncertainty: Exporting Delays and Exporting Failures," Discussion Papers 10-17, University of Copenhagen. Department of Economics.
  4. Pinelopi Koujianou Goldberg & Amit Kumar Khandelwal & Nina Pavcnik & Petia Topalova, 2010. "Imported Intermediate Inputs and Domestic Product Growth: Evidence from India," The Quarterly Journal of Economics, MIT Press, vol. 125(4), pages 1727-1767, November.
  5. Facundo Albornoz & Hector Calvo-Pardo & Gregory Corcos & Emanuel Ornelas, 2010. "Sequential Exporting," CEP Discussion Papers dp0974, Centre for Economic Performance, LSE.
  6. David Weinstein & Christian Broda, 2004. "Globalization and the Gains from Variety," Econometric Society 2004 North American Summer Meetings 508, Econometric Society.
  7. Leonardo Iacovone & BeataS. Javorcik, 2010. "Multi-Product Exporters: Product Churning, Uncertainty and Export Discoveries," Economic Journal, Royal Economic Society, vol. 120(544), pages 481-499, 05.
  8. Evans, David S., 1986. "Tests of Alternative Theories of Firm Growth," Working Papers 86-36, C.V. Starr Center for Applied Economics, New York University.
  9. Costas Arkolakis, 2009. "A Unified Theory of Firm Selection and Growth," CESifo Working Paper Series 2679, CESifo Group Munich.
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