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Irish firms’ productivity and Imported Inputs

  • Emanuele Forlani


    (Department of Economics and Management, University of Pavia)

In this paper, we investigate the empirical relationship between firms’ productivity, and imports of intermediate inputs at plant level. Using a unique dataset for Ireland, we focus our analysis on manufacturing firms by distinguishing for ownership and relative efficiency. Our findings show that an increase in the intensive margin of imports positively affects the efficiency of domestic firms, in particular through the imports of materials. Most importantly, we find heterogeneous responses to variations in import intensity, depending on the initial level of productivity. The more efficient a domestic firm is, and the larger the benefits from importing are. The results are robust to potential endogeneity of imports’ decisions, and to reverse casualty: past efficiency levels are not correlated with current import intensity.

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Paper provided by University of Pavia, Department of Economics and Management in its series DEM Working Papers Series with number 009.

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Length: 36 pages
Date of creation: Oct 2012
Date of revision:
Handle: RePEc:pav:demwpp:demwp0009
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  1. repec:tpr:qjecon:v:125:y:2010:i:4:p:1727-1767 is not listed on IDEAS
  2. J. Bradford Jensen & Andrew Bernard & Peter Schott, 2005. "Importers, Exporters, and Multinationals: A Portrait of Firms in the U.S. that Trade Goods," Working Papers 05-20, Center for Economic Studies, U.S. Census Bureau.
  3. Blundell, Richard & Bond, Stephen, 1998. "Initial conditions and moment restrictions in dynamic panel data models," Journal of Econometrics, Elsevier, vol. 87(1), pages 115-143, August.
  4. Francesco Caselli & Daniel J. Wilson, 2003. "Importing technology," Working Paper Series 2003-04, Federal Reserve Bank of San Francisco.
  5. 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.
  6. Nicholas Bloom & Raffaella Sadun & John Van Reenen, 2007. "Americans Do I.T. Better: US Multinationals and the Productivity Miracle," NBER Working Papers 13085, National Bureau of Economic Research, Inc.
  7. 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.
  8. Görg, Holger & Hanley, Aoife & Strobl, Eric, 2007. "Productivity Effects of International Outsourcing: Evidence from Plant Level Data," CEPR Discussion Papers 6361, C.E.P.R. Discussion Papers.
  9. Holger G–rg & Eric Strobl, 2003. "Multinational Companies, Technology Spillovers and Plant Survival," Scandinavian Journal of Economics, Wiley Blackwell, vol. 105(4), pages 581-595, December.
  10. Ralf Martin, 2010. "Productivity spreads, market power spreads and trade," LSE Research Online Documents on Economics 48912, London School of Economics and Political Science, LSE Library.
  11. Elhanan Helpman & Marc J. Melitz & Stephen R. Yeaple, 2004. "Export Versus FDI with Heterogeneous Firms," American Economic Review, American Economic Association, vol. 94(1), pages 300-316, March.
  12. Joze P. Damijan & Jose de Sousa & Olivier Lamotte, 2008. "Does international openness affect productivity of local firms? Evidence from Southeastern Europe," LICOS Discussion Papers 21908, LICOS - Centre for Institutions and Economic Performance, KU Leuven.
  13. James Levinsohn & Amil Petrin, 2003. "Estimating Production Functions Using Inputs to Control for Unobservables," Review of Economic Studies, Oxford University Press, vol. 70(2), pages 317-341.
  14. Alexander Vogel & Joachim Wagner, 2008. "Higher Productivity in Importing German Manufacturing Firms: Self-selection, Learning from Importing, or Both?," Working Paper Series in Economics 106, University of Lüneburg, Institute of Economics.
  15. 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.
  16. László Halpern & Miklós Koren & Adam Szeidl, 2011. "Imported Inputs and Productivity," CeFiG Working Papers 8, Center for Firms in the Global Economy, revised 16 Sep 2011.
  17. Davide Castellani & Francesco Serti & Chiara Tomasi, 2008. "Firms in International Trade: Importers and Exporters Heterogeneity in the Italian Manufacturing Industry," LEM Papers Series 2008/04, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
  18. Andrew B. Bernard & Ilke Van Beveren & Hylke Vandenbussche, 2010. "Multi-product exporters, carry-along trade and the margins of trade," Working Paper Research 203, National Bank of Belgium.
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