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Gravity Equation and Trade Agreements: A Different Econometric Approach

  • María Luisa Recalde

    ()

  • Luis Marcelo Florensa

    ()

  • Iván Iturralde

    ()

    (Universidad Nacional de Córdoba, Facultad de Ciencias Económicas, Instituto de Economía y Finanzas)

This paper is aimed at multiplicatively estimating the parameters of the gravity equation by using the Poisson Pseudo-Maximum-Likelihood (PPML) estimator, and taking heteroskedasticity into account at the same time. Besides, in order to compare the results, the model will be estimated trough OLS and Tobit, and the precision of the different estimators will be assessed by a set of specification tests. Results indicate that the effects of Preferential Trade Agreements are very sensitive to the method chosen to estimate the gravity model and the results obtained under PPML are the most reliable.

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File URL: http://ief.eco.unc.edu.ar/files/publicaciones/economiayestadistica/2008_46_n2/REyE_47n2_06_Gravity.pdf
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Article provided by Universidad Nacional de Córdoba, Facultad de Ciencias Económicas, Instituto de Economía y Finanzas in its journal Revista de Economía y Estadística.

Volume (Year): XLVI (2008)
Issue (Month): 2 (July)
Pages: 83-104

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Handle: RePEc:ief:reveye:v:46:y:2008:i:2:p:83-104
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  1. Soloaga, Isidro & Winters, L. Alan, 1999. "Regionalism in the Nineties: What Effect on Trade?," CEPR Discussion Papers 2183, C.E.P.R. Discussion Papers.
  2. Inmaculada Martínez-Zarzoso & Felicitas Nowak-Lehmann D., 2003. "Explaining MERCOSUR sectoral exports to the EU: The role of economic and geographical distance," International Trade 0309025, EconWPA.
  3. Robert C. Feenstra & Robert E. Lipsey & Haiyan Deng & Alyson C. Ma & Hengyong Mo, 2005. "World Trade Flows: 1962-2000," NBER Working Papers 11040, National Bureau of Economic Research, Inc.
  4. Inmaculada Martínez-Zarzoso & Felicitas Nowak-Lehmann, 2003. "Augmented Gravity Model: An Empirical Application to Mercosur-European Union Trade Flows," Journal of Applied Economics, Universidad del CEMA, vol. 0, pages 291-316, November.
  5. J. M. C. Santos Silva & Silvana Tenreyro, 2006. "The Log of Gravity," The Review of Economics and Statistics, MIT Press, vol. 88(4), pages 641-658, November.
  6. Gourieroux, Christian & Monfort, Alain & Trognon, Alain, 1984. "Pseudo Maximum Likelihood Methods: Theory," Econometrica, Econometric Society, vol. 52(3), pages 681-700, May.
  7. Fernando Sanz, 2000. "A kalman filter-gravity equation approach to assess the trade impact of economic integration: The case of Spain, 1986–1992," Review of World Economics (Weltwirtschaftliches Archiv), Springer, vol. 136(1), pages 84-110, March.
  8. Bergstrand, Jeffrey H, 1985. "The Gravity Equation in International Trade: Some Microeconomic Foundations and Empirical Evidence," The Review of Economics and Statistics, MIT Press, vol. 67(3), pages 474-81, August.
  9. Anderson, James E, 1979. "A Theoretical Foundation for the Gravity Equation," American Economic Review, American Economic Association, vol. 69(1), pages 106-16, March.
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