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Elasticity of trade flow to trade barriers: A comparison among emerging estimation techniques

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  • Olper, Alessandro
  • Raimondi, Valentina

Abstract

The objective of this study has been to analyze the sensitivity of trade flow to trade barriers from gravity equations, using different econometric techniques recently highlighted in the literature. Specifically, we compare a benchmark OLS fixed effects specification a la Feenstra (2002), with three emerging estimation methods: the standard Heckman correction for selection bias, to account for zero trade flow; its extension, recently proposed by Helpman et al. (2008), to control for firm heterogeneity; and, finally, the Poisson pseudo-maximum-likelihood (PPML) technique to correct for the presence of heteroskedasticity, first proposed by Santos Silva and Tenreyro (2006). Our gravity model includes trade among 211 exporter and 104 importer countries, in 18 food industry sectors.

Suggested Citation

  • Olper, Alessandro & Raimondi, Valentina, 2002. "Elasticity of trade flow to trade barriers: A comparison among emerging estimation techniques," 2008 International Congress, August 26-29, 2008, Ghent, Belgium 44119, European Association of Agricultural Economists.
  • Handle: RePEc:ags:eaae08:44119
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    References listed on IDEAS

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    1. James E. Anderson & Eric van Wincoop, 2003. "Gravity with Gravitas: A Solution to the Border Puzzle," American Economic Review, American Economic Association, vol. 93(1), pages 170-192, March.
    2. Lionel Fontagné & Thierry Mayer & Soledad Zignago, 2005. "Trade in the Triad: how easy is the access to large markets?," Canadian Journal of Economics, Canadian Economics Association, vol. 38(4), pages 1401-1430, November.
    3. James E. Anderson & Eric van Wincoop, 2004. "Trade Costs," Journal of Economic Literature, American Economic Association, vol. 42(3), pages 691-751, September.
    4. Anne-Célia Disdier & Lionel Fontagné & Mondher Mimouni, 2008. "The Impact of Regulations on Agricultural Trade: Evidence from the SPS and TBT Agreements," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 90(2), pages 336-350.
    5. Cipollina, Maria & Salvatici, Luca, 2007. "EU and developing countries: an analysis of preferential margins on agricultural trade flows," Working Papers 7219, TRADEAG - Agricultural Trade Agreements.
    6. Wilson,John S.*Tsunehiro Otsuki*Sewadeh, Mirvat, 2002. "Dirty exports and environmental regulation : do standards matter to trade?," Policy Research Working Paper Series 2806, The World Bank.
    7. Femenia, Fabienne & Gohin, Alexandre, 2007. "Estimating price elasticities of food trade functions: How relevant is the gravity approach?," Working Papers 7211, TRADEAG - Agricultural Trade Agreements.
    8. 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.
    9. Schaefer Kurt C & Anderson Michael A & Ferrantino Michael J, 2008. "Monte Carlo Appraisals of Gravity Model Specifications," Global Economy Journal, De Gruyter, vol. 8(1), pages 1-26, February.
    10. Elhanan Helpman & Marc Melitz & Yona Rubinstein, 2008. "Estimating Trade Flows: Trading Partners and Trading Volumes," The Quarterly Journal of Economics, Oxford University Press, vol. 123(2), pages 441-487.
    11. Olper, Alessandro & Raimondi, Valentina, 2005. "Access to OECD Agricultural Market: A Gravity Border Effect Approach," 2005 International Congress, August 23-27, 2005, Copenhagen, Denmark 24543, European Association of Agricultural Economists.
    12. Agostino, Maria Rosaria & Aiello, Francesco & Cardamone, Paola, 2007. "Analyzing the Impact of Trade Preferences in Gravity Models. Does Aggregation Matter?," Working Papers 7294, TRADEAG - Agricultural Trade Agreements.
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