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Extended Gravity Panel Data Model of Polish Foreign Trade

  • Tomasz Brodzicki


    (Faculty of Economics, University of Gdansk)

The goal of this article is to investigate the determinants of the pattern of bilateral trade flows of Poland with its major trade partners with the use of trade gravity model approach. The analysis is carried out for 181 trade partners of Poland in the period 1999-2006. In the basic version of the trade gravity model we take into account only the standard factors as suggested by the literature of the subject. In its extended version we control for several additional factors including: quality of institutions, impact of regional and bilateral trade agreements or exchange rate volatility. In order to obtain unbiased results we utilize the Prais-Winsten regression with Panel Corrected Standard Errors (PCSE). In most of the cases the coefficients for the traditional gravity determinants are economically sensible and their impact on the dependant variable is statistically significant. The impact of market size, distance or quality of institutions are in line with our expectations. The role of migrants as proxied by the size of Polish diaspora is rather large. Increase in the size of Polish diaspora of 1 per cent increases bilateral trade by approx. 0.2 per cent. Foreign exchange rate volatility has an adversely negative impact on the trade flows. The unrealized potential of a membership in the eurozone could be judged relatively high. The results concerning trade agreements are however rather unanticipated.

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Paper provided by The Univeristy of Gdansk, Faculty of Economics, Economics of European Integration Division in its series Working Papers of Economics of European Integration Division with number 0901.

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Length: 19 pages
Date of creation: Jan 2009
Date of revision:
Handle: RePEc:gda:wpaper:0901
Contact details of provider: Postal: Univeristy of Gdansk, Faculty of Economics, ul. Armii Krajowej 119/121, 81-824 Sopot, Poland
Phone: (048) 58 523-13-70
Fax: (048) 58 523-13-70
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  1. Helpman, Elhanan, 1987. "Imperfect competition and international trade: Evidence from fourteen industrial countries," Journal of the Japanese and International Economies, Elsevier, vol. 1(1), pages 62-81, March.
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  3. Henri L.F. De Groot & Gert-Jan Linders & Piet Rietveld & Uma Subramanian, 2003. "The Institutional Determinants of Bilateral Trade Patterns," ERSA conference papers ersa03p421, European Regional Science Association.
  4. Carrere, Celine, 2006. "Revisiting the effects of regional trade agreements on trade flows with proper specification of the gravity model," European Economic Review, Elsevier, vol. 50(2), pages 223-247, February.
  5. Andrew K. Rose, 2001. "Currency unions and trade: the effect is large," Economic Policy, CEPR;CES;MSH, vol. 16(33), pages 449-461, October.
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  8. Peter Egger & Michael Pfaffermayr, 2003. "The proper panel econometric specification of the gravity equation: A three-way model with bilateral interaction effects," Empirical Economics, Springer, vol. 28(3), pages 571-580, July.
  9. Jeffrey Frankel & Andrew Rose, 2002. "An Estimate Of The Effect Of Common Currencies On Trade And Income," The Quarterly Journal of Economics, MIT Press, vol. 117(2), pages 437-466, May.
  10. Helena Marques, 2008. "Asymmetries in Heterogeneous Integrated Areas: Evidence from Intra-EU Sectoral Trade," Working Papers 2008.2, International Network for Economic Research - INFER.
  11. Laszlo Matyas, 1997. "Proper Econometric Specification of the Gravity Model," The World Economy, Wiley Blackwell, vol. 20(3), pages 363-368, 05.
  12. Aitken, Norman D, 1973. "The Effect of the EEC and EFTA on European Trade: A Temporal Cross-Section Analysis," American Economic Review, American Economic Association, vol. 63(5), pages 881-92, December.
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