Evidence on productivity spillovers from FDI to domestic firms is ambiguous. Incorrect estimation procedures may be one of the sources for the contradictory results obtained in empirical studies on this subject. We observe that inadequacy of the estimation procedures leads to a severe underestimation of the spillover effect. In discussing the appropriated econometric methodology, inconsistency due to simultaneity of FDI and other explanatory variables and endogeneity related to firm unobserved heterogeneity are specially addressed. Additionally, incorrect inference and the possible lack of precision in estimation due to the availability of few periods in the panel are also analysed.
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Paper provided by EconWPA in its series International Trade with number
0508004.
Find related papers by JEL classification: F21 - International Economics - - International Factor Movements and International Business - - - International Investment; Long-Term Capital Movements F23 - International Economics - - International Factor Movements and International Business - - - Multinational Firms; International Business
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Nuno Crespo & Isabel Proença & Maria Paula Fontoura, 2007.
"FDI Spillovers at Regional Level: Evidence from Portugal,"
Working Papers
2007/28, Department of Economics at the School of Economics and Management (ISEG), Technical University of Lisbon..
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