This study presents the first empirical test with German establishment level data of a hypothesis derived by Helpman et al. (2004) in a model that explains the decision of heterogeneous firms to serve foreign markets either through exports of foreign direct investment: only the more productive...

This paper presents the first empirical test with German establishment level data of a hypothesis derived by Helpman, Melitz and Yeaple in a model that explains the decision of heterogeneous firms to serve foreign markets either trough exports or foreign direct investment: only the more...

The paper examines the relation between industrial mix and regional productivity growth. For this purpose, a dynamic model of the open economy with differentiated sectoral knowledge formation and incomplete interregional knowledge diffusion is constructed. The theoretical framework is first used...

Trotz unübersehbarer Standortvorteile in bestimmten Bereichen haben die mittel- und osteuropäischen Staaten mit beträchtlichen Barrieren für wirtschaftliche Aktivitäten zu kämpfen. Hierzu zählt unter anderem die Ausstattung mit Verkehrsinfrastruktur. Vorallem die niedrige Strassendichte...