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Exports, Imports and Wages: Evidence from Matched Firm-Worker-Product Panels

  • Martins, Pedro S.

    ()

    (Queen Mary, University of London)

  • Opromolla, Luca David

    ()

    (Banco de Portugal)

The analysis of the effects of firm-level international trade on wages has so far focused on the role of exports, which are also typically treated as a composite good. However, we show in this paper that firm-level imports can actually be a wage determinant as important as exports. Furthermore, we also find significant differences in the relationship between trade and wages across types of products. In particular, firms that increase their exports (imports) of high- (intermediate-) technology products tend to increase their salaries. Our analysis is based on unique data from Portugal, obtained by merging a matched firm-worker panel and a matched firm-transaction panel. Our data set follows the population of manufacturing firms and all their workers from 1995 to 2005 and allows for several control variables, including job-spell fixed effects.

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Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 4646.

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Length: 54 pages
Date of creation: Dec 2009
Handle: RePEc:iza:izadps:dp4646
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  1. Pedro S. Martins, 2008. "Dismissals for cause: The difference that just eight paragraphs can make," Working Papers 24, Queen Mary, University of London, School of Business and Management, Centre for Globalisation Research.
  2. Bernard, A., 1997. "Exceptional Exporter Performance: Cause, Effect, or Both?," Working papers 97-21, Massachusetts Institute of Technology (MIT), Department of Economics.
  3. Laszlo Halpern & Miklos Koren & Adam Szeidl, 2005. "Import and Productivity," IEHAS Discussion Papers 0509, Institute of Economics, Centre for Economic and Regional Studies, Hungarian Academy of Sciences.
  4. Mark J. Melitz, 2002. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," NBER Working Papers 8881, National Bureau of Economic Research, Inc.
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  6. Mary Amiti & Jozef G Konings, 2005. "Trade Liberalization, Intermediate Inputs, and Productivity; Evidence from Indonesia," IMF Working Papers 05/146, International Monetary Fund.
  7. Guimaraes, Paulo & Portugal, Pedro, 2009. "A Simple Feasible Alternative Procedure to Estimate Models with High-Dimensional Fixed Effects," IZA Discussion Papers 3935, Institute for the Study of Labor (IZA).
  8. Pedro S. Martins, 2011. "Paying More To Hire The Best? Foreign Firms, Wages, And Worker Mobility," Economic Inquiry, Western Economic Association International, vol. 49(2), pages 349-363, 04.
  9. Iacovone, Leonardo & Javorcik, Beata S., 2008. "Multi-product exporters : diversification and micro-level dynamics," Policy Research Working Paper Series 4723, The World Bank.
  10. Munch, Jakob Roland & Skaksen, Jan Rose, 2008. "Human capital and wages in exporting firms," Journal of International Economics, Elsevier, vol. 75(2), pages 363-372, July.
  11. Carlo Altomonte & Gabor Békés, 2009. "Trade Complexity and Productivity," KITeS Working Papers 016, KITeS, Centre for Knowledge, Internationalization and Technology Studies, Universita' Bocconi, Milano, Italy, revised Jul 2009.
  12. Andrew B. Bernard & J. Bradford Jensen & Stephen J. Redding & Peter K. Schott, 2007. "Firms in International Trade," NBER Working Papers 13054, National Bureau of Economic Research, Inc.
  13. Mary Amiti & Donald R. Davis, 2012. "Trade, Firms, and Wages: Theory and Evidence," Review of Economic Studies, Oxford University Press, vol. 79(1), pages 1-36.
  14. Cabral, Luís M B & Mata, José, 2001. "On the Evolution of the Firm Size Distribution: Facts and Theory," CEPR Discussion Papers 3045, C.E.P.R. Discussion Papers.
  15. Anabela Carneiro & Paulo Guimaraes & Pedro Portugal, 2009. "Real Wages and the Business Cycle: Accounting for Worker and Firm Heterogeneity," CEF.UP Working Papers 0903, Universidade do Porto, Faculdade de Economia do Porto.
  16. Pinelopi K. Goldberg & Amit Khandelwal & Nina Pavcnik & Petia Topalova, 2008. "Imported Intermediate Inputs and Domestic Product Growth: Evidence from India," NBER Working Papers 14416, National Bureau of Economic Research, Inc.
  17. De Loecker, Jan, 2007. "Do exports generate higher productivity? Evidence from Slovenia," Journal of International Economics, Elsevier, vol. 73(1), pages 69-98, September.
  18. Sofronis K. Clerides & Saul Lach & James R. Tybout, 1998. "Is Learning by Exporting Important? Micro-Dynamic Evidence from Colombia, Mexico, and Morocco," The Quarterly Journal of Economics, Oxford University Press, vol. 113(3), pages 903-947.
  19. Pedro S. Martins, 2004. "Do Foreign Firms Really Pay Higher Wages? : Evidence from Different Estimators," CRIEFF Discussion Papers 0409, Centre for Research into Industry, Enterprise, Finance and the Firm.
  20. João Amador & Luca David Opromolla, 2008. "Product and Destination Mix in Export Markets," Working Papers w200817, Banco de Portugal, Economics and Research Department.
  21. J Bradford Jensen & Andrew B Bernard, 2001. "Why Some Firms Export," Working Papers 01-05, Center for Economic Studies, U.S. Census Bureau.
  22. Eric A. Verhoogen, 2008. "Trade, Quality Upgrading, and Wage Inequality in the Mexican Manufacturing Sector," The Quarterly Journal of Economics, Oxford University Press, vol. 123(2), pages 489-530.
  23. Schank, Thorsten & Schnabel, Claus & Wagner, Joachim, 2007. "Do exporters really pay higher wages? First evidence from German linked employer-employee data," Journal of International Economics, Elsevier, vol. 72(1), pages 52-74, May.
  24. Joel Rodrigue & Hiroyuki Kasahara, 2004. "Does the Use of Imported Intermediates Increase Productivity? Plant-Level Evidence," Econometric Society 2004 North American Summer Meetings 511, Econometric Society.
  25. Richard B. Freeman, 1995. "Are Your Wages Set in Beijing?," Journal of Economic Perspectives, American Economic Association, vol. 9(3), pages 15-32, Summer.
  26. Johannes Van Biesebroeck, 2003. "Exporting Raises Productivity in Sub-Saharan African Manufacturing Plants," NBER Working Papers 10020, National Bureau of Economic Research, Inc.
  27. Davidson, Carl & Matusz, Steven J. & Shevchenko, Andrei, 2008. "Globalization and firm level adjustment with imperfect labor markets," Journal of International Economics, Elsevier, vol. 75(2), pages 295-309, July.
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