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Modelling Firm-Product Level Trade: A Multi-Dimensional Random Effects Panel Data Approach

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  • Daria Pus
  • László Mátyás
  • Cecilia Hornok

Abstract

The paper deals with the problems of formalizing econometric models on firm-product level trade data sets, or similar economic flows. A multi-dimensional random effects panel data approach is adopted. Several models are introduced taking into account different types of specific effects, interactions and cross correlations. The respective covariance matrixes are derived, as well as procedures to estimate the unknown variance and covariance components, in order to make the Feasible Generalized Least Squares estimation operational. Whenever possible, the spectral decomposition of the covariance matrixes is also provided to make the estimation procedure simpler to implement. Both balanced and unbalanced data sets are considered.

Suggested Citation

  • Daria Pus & László Mátyás & Cecilia Hornok, 2013. "Modelling Firm-Product Level Trade: A Multi-Dimensional Random Effects Panel Data Approach," CEU Working Papers 2013_2, Department of Economics, Central European University, revised 08 May 2013.
  • Handle: RePEc:ceu:econwp:2013_2
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    References listed on IDEAS

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    1. Gregory Corcos & Delphine M. Irac & Giordano Mion & Thierry Verdier, 2008. "The Determinants of Intra-Firm Trade," Development Working Papers 267, Centro Studi Luca d'Agliano, University of Milano.
    2. Laszlo Matyas, 1997. "Proper Econometric Specification of the Gravity Model," The World Economy, Wiley Blackwell, vol. 20(3), pages 363-368, May.
    3. Costas Arkolakis & Marc-Andreas Muendler, 2010. "The Extensive Margin of Exporting Products: A Firm-level Analysis," CESifo Working Paper Series 3309, CESifo Group Munich.
    4. Davis, Peter, 2002. "Estimating multi-way error components models with unbalanced data structures," Journal of Econometrics, Elsevier, vol. 106(1), pages 67-95, January.
    5. Holger Gorg & Laszlo Halpern & Balazs Murakozy, 2010. "Why Do Within Firm-Product Export Prices Differ across Markets?," IEHAS Discussion Papers 1003, Institute of Economics, Centre for Economic and Regional Studies, Hungarian Academy of Sciences.
    6. Fabrice Defever & Farid Toubal, 2007. "Productivity and the Sourcing Modes of Multinational Firms: Evidence from French Firm-Level Data," CEP Discussion Papers dp0842, Centre for Economic Performance, LSE.
    7. László Mátyás & Cecilia Hornok & Daria Pus, 2012. "The Formulation and Estimation of Random Effects Panel Data Models of Trade," CEU Working Papers 2012_1, Department of Economics, Central European University, revised 25 Mar 2013.
    8. Balazs Murakozy & Gabor Bekes, 2009. "Temporary Trade," IEHAS Discussion Papers 0909, Institute of Economics, Centre for Economic and Regional Studies, Hungarian Academy of Sciences.
    9. Olaf Hübler, 2006. "Multilevel and nonlinear panel data models," AStA Advances in Statistical Analysis, Springer;German Statistical Society, vol. 90(1), pages 121-136, March.
    10. Antoine Berthou & Lionel Fontagné, 2013. "How do Multiproduct Exporters React to a Change in Trade Costs?," Scandinavian Journal of Economics, Wiley Blackwell, vol. 115(2), pages 326-353, April.
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