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

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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.

Suggested Citation

  • Stefano Chiarlone, 2000. "Import Demand with Product Differentiation: Disaggregated Estimation of Italian Sectoral Elasticities," KITeS Working Papers 113, KITeS, Centre for Knowledge, Internationalization and Technology Studies, Universita' Bocconi, Milano, Italy, revised Jul 2000.
  • Handle: RePEc:cri:cespri:wp113
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    References listed on IDEAS

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    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.
    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.
    3. White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-838, May.
    4. Lancaster, Kelvin, 1980. "Intra-industry trade under perfect monopolistic competition," Journal of International Economics, Elsevier, vol. 10(2), pages 151-175, May.
    5. 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.
    6. repec:wsi:wschap:9789814749589_0001 is not listed on IDEAS
    7. 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 120-128, February.
    8. Greenaway, David & Torstensson, Johan, 2000. "Economic Geography, Comparative Advantage and Trade within Industries: Evidence from the OECD," Journal of Economic Integration, Center for Economic Integration, Sejong University, vol. 15, pages 260-280.
    9. David Greenaway & Robert Hine & Chris Milner, 1994. "Country-specific factors and the pattern of horizontal and vertical intra-industry trade in the UK," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 130(1), pages 77-100, March.
    10. Peter Hooper & Karen H. Johnson & Jaime R. Marquez, 1998. "Trade elasticities for G-7 countries," International Finance Discussion Papers 609, Board of Governors of the Federal Reserve System (U.S.).
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    Cited by:

    1. Alberto Bagnai & Christian Alexander Mongeau Ospina, 2014. "The a/simmetrie annual macroeconometric model of the Italian economy: structure and properties," a/ Working Papers Series 1405, Italian Association for the Study of Economic Asymmetries, Rome (Italy).

    More about this item

    Keywords

    Sectoral import demand; Quality and horizontal differentiation; Italian trade; Sectoral price and income elasticity;

    JEL classification:

    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models
    • F14 - International Economics - - Trade - - - Empirical Studies of Trade

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