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Imports and Productivity

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Author Info
Halpern, László
Koren, Miklós
Szeidl, Adam

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Abstract

What is the effect of imports on productivity? To answer this question, we estimate a structural model of producers using product-level import data for a panel of Hungarian manufacturing firms from 1992 to 2001. In our model with heterogenous firms, producers choose to import or purchase domestically varieties of intermediate inputs. Imports affect firm productivity through expanding variety as well as improved input quality. The model leads to a production function where the total factor productivity of a firm depends on the share of inputs imported. To estimate this import-augmented production function, we extend the Olley and Pakes (1996) procedure for a setting with an additional state variable, the number of input varieties imported. Our results suggest that the role of imports is both statistically and economically significant. Imports are responsible for 30% of the growth in aggregate total factor productivity in Hungary during the 1990s. About 50% of this effect is through imports advancing firm level productivity, while the remaining 50% comes from the reallocation of capital and labour to importers.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 5139.

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Date of creation: Jul 2005
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Handle: RePEc:cpr:ceprdp:5139

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Related research
Keywords: imports; intermediate inputs; productivity;

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Find related papers by JEL classification:
F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies
F14 - International Economics - - Trade - - - Country and Industry Studies of Trade
L25 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Performance

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References listed on IDEAS
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  1. Andrew B. Bernard & J. Bradford Jensen & Peter K. Schott, 2005. "Importers, Exporters, and Multinationals: A Portrait of Firms in the U.S. that Trade Goods," NBER Working Papers 11404, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  2. Bernard, Andrew B. & Bradford Jensen, J., 1999. "Exceptional exporter performance: cause, effect, or both?," Journal of International Economics, Elsevier, vol. 47(1), pages 1-25, February. [Downloadable!] (restricted)
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  3. Marc-Andreas Muendler, 2004. "Trade, Technology, and Productivity: A Study of Brazilian Manufacturers, 1986-1998," University of California at San Diego, Economics Working Paper Series 2004-06, Department of Economics, UC San Diego. [Downloadable!]
    Other versions:
  4. James Levinsohn & Amil Petrin, 2003. "Estimating Production Functions Using Inputs to Control for Unobservables," Review of Economic Studies, Blackwell Publishing, vol. 70(2), pages 317-341, 04. [Downloadable!] (restricted)
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  5. Halpern, László & Koren, Miklós, 2004. "Pricing to Firm: An Analysis of Firm- and Product-Level Import Prices," CEPR Discussion Papers 4568, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  6. G. Steven Olley & Ariel Pakes, 1992. "The Dynamics of Productivity in the Telecommunications Equipment Industry," NBER Working Papers 3977, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  7. David Hummels & Volodymyr Lugovskyy, 2005. "Trade in Ideal Varieties: Theory and Evidence," NBER Working Papers 11828, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  8. Jeffrey A. Frankel & David Romer, 1999. "Does Trade Cause Growth?," American Economic Review, American Economic Association, vol. 89(3), pages 379-399, June. [Downloadable!] (restricted)
  9. Olley, G Steven & Pakes, Ariel, 1996. "The Dynamics of Productivity in the Telecommunications Equipment Industry," Econometrica, Econometric Society, vol. 64(6), pages 1263-97, November. [Downloadable!] (restricted)
  10. Mary Amiti, 2000. "Trade Liberalisation of Intermediate Inputs," Australian Economic Review, The University of Melbourne, Melbourne Institute of Applied Economic and Social Research, vol. 33(4), pages 299-302. [Downloadable!] (restricted)
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