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Gravity Equation and Trade Agreements: A Different Econometric Approach

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  • María Luisa Recalde

    ()

  • Luis Marcelo Florensa

    ()

  • Iván Iturralde

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

Abstract

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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Bibliographic Info

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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Related research

Keywords: Preferential Trade Agreements; Gravity Model; Trade Creation and Trade Diversion; Generalized Lineal Models;

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  1. Gourieroux Christian & Monfort Alain & Trognon A, 1981. "Pseudo maximum likelihood methods : theory," CEPREMAP Working Papers (Couverture Orange) 8129, CEPREMAP.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. Santos Silva, Joao & Tenreyro, Silvana, 2005. "The Log of Gravity," CEPR Discussion Papers 5311, C.E.P.R. Discussion Papers.
  7. Soloaga, Isidro & Alan Wintersb, L., 2001. "Regionalism in the nineties: what effect on trade?," The North American Journal of Economics and Finance, Elsevier, vol. 12(1), pages 1-29, March.
  8. Anderson, James E, 1979. "A Theoretical Foundation for the Gravity Equation," American Economic Review, American Economic Association, vol. 69(1), pages 106-16, March.
  9. 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.
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