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Autoren: 
Martínez-Zarzoso, Inmaculada
Nowak-Lehmann D., Felicitas
Horsewood, Nicholas
Datum: 
2006
Schriftenreihe/Nr.: 
IAI Discussion Papers No. 149
Zusammenfassung: 
This paper evaluates the static effects of preferential agreements between several economic blocs and areas using a dynamic gravity equation. The main aim is to investigate whether regionalism has fostered intra or/and extra blocs international trade, taking into account the existence of heterogeneity over time and across countries and testing whether a dynamic model is preferred to the traditional static specification of the gravity model. This paper argues that the gravity model should be best estimated using Blundell and Bond's (1998) system-GMM estimator. This procedure remedies some econometric problems such as regressor endogeneity, measurement error and weak instruments, and controls for timeinvariant country-specific effects such as distance or common language.
JEL: 
F14
F15
Dokumentart: 
Working Paper

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