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Import Demand with Product Differentiation: Disaggregated Estimation of Italian Sectoral Elasticities

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Author Info
Stefano Chiarlone () (CESPRI, Universita' Bocconi, Milano, Italy)

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Abstract

This paper estimates sectoral demand functions for Italian imports from European Union countries, Japan, Canada and United States. Evidence of two-way flows and product differentiation is an accepted regularity of international trade. We have tried to include considerations of differentiation in the analysis. Starting from very disaggregated bilateral trade data (5 digit Sitc Rev. 3) we have classified each flow as homogeneous, quality differentiated or non-quality differentiated. Then we have used this classification in the estimate of sectoral import functions. That should increase precision, because avoids pooling homogeneous and differentiated goods in estimation. Our results suggest a very dynamic reaction of Italian imports in many sectors, pointing to possible competitive problems for firms and trade balance constraint for the country.

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File URL: ftp://ftp.unibocconi.it/pub/RePEc/cri/papers/wp113.pdf
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Publisher Info
Paper provided by CESPRI, Centre for Research on Innovation and Internationalisation, Universita' Bocconi, Milano, Italy in its series CESPRI Working Papers with number 113.

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Length: 22 pages
Date of creation: Jul 2000
Date of revision: Jul 2000
Handle: RePEc:cri:cespri:wp113

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Related research
Keywords: Sectoral import demand; Quality and horizontal differentiation; Italian trade; Sectoral price and income elasticity;

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Find related papers by JEL classification:
C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data
F14 - International Economics - - Trade - - - Country and Industry Studies of Trade

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Khan, Mohsm S. & Ross, Knud Z., 1977. "The functional form of the aggregate import demand equation," Journal of International Economics, Elsevier, vol. 7(2), pages 149-160, May. [Downloadable!] (restricted)
  2. Goldstein, Morris & Khan, Mohsin S., 1985. "Income and price effects in foreign trade," Handbook of International Economics, in: R. W. Jones & P. B. Kenen (ed.), Handbook of International Economics, edition 1, volume 2, chapter 20, pages 1041-1105 Elsevier. [Downloadable!] (restricted)
  3. White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-38, May. [Downloadable!] (restricted)
  4. Lancaster, Kelvin, 1980. "Intra-industry trade under perfect monopolistic competition," Journal of International Economics, Elsevier, vol. 10(2), pages 151-175, May. [Downloadable!] (restricted)
  5. Greenaway, David, 1998. "Economic Geography, Comparative Advantage and Trade Within Industries: Evidence from the OECD," CEPR Discussion Papers 1857, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  6. Thursby, Jerry G & Thursby, Marie C, 1984. "How Reliable Are Simple, Single Equation Specifications of Import Demand?," The Review of Economics and Statistics, MIT Press, vol. 66(1), pages 120-28, February. [Downloadable!] (restricted)
  7. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June. [Downloadable!] (restricted)
    Other versions:
  8. Peter Hooper & Karen Johnson & Jaime Marquez, 1998. "Trade elasticities for G-7 countries," International Finance Discussion Papers 609, Board of Governors of the Federal Reserve System (U.S.). [Downloadable!]
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This page was last updated on 2009-11-25.


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