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A SUR-EC-AR System Gravity Model of Trade

Author

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  • Jaya Krishnakumar

    () (University of Geneva)

Abstract

This paper proposes a system of equations for modelling the volume of bilateral trade in multiple goods for a given set of countries. We postulate a gravity equation for each traded good rather than for the aggregate volume of bilateral trade. Special features of the system are the possibility of correlated explanatory variables, presence of panel data effects and autocorrelated disturbances. The correlated explanatory variables could be either correlated with the specific effects only or correlated with both the specific effects and the residual errors. Proper ways of specifying and estimating a model incorporating all the above characteristics are discussed and tests are suggested to verify some of the assumptions.

Suggested Citation

  • Jaya Krishnakumar, 2002. "A SUR-EC-AR System Gravity Model of Trade," 10th International Conference on Panel Data, Berlin, July 5-6, 2002 B4-4, International Conferences on Panel Data.
  • Handle: RePEc:cpd:pd2002:b4-4
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    File URL: http://econpapers.repec.org/cpd/2002/64_Krishnakumar.pdf
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    References listed on IDEAS

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    Cited by:

    1. Erika Vianna Grossrieder, 2006. "Preference Erosion: The case of Bangladesh - A SUR-EC-AR Gravity Model of Trade," IHEID Working Papers 18-2007, Economics Section, The Graduate Institute of International Studies, revised Aug 2007.

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    More about this item

    Keywords

    bilateral trade; gravity model; panel data models; instrumental variables; autocorrelated errors;
    All these keywords.

    JEL classification:

    • C33 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Models with Panel Data; Spatio-temporal Models
    • F1 - International Economics - - Trade

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