Diese Dissertation stellt ein strukturelles ökonometrisches Modell der Nachfrage mit direkten Netzwerkeffekten vor. Der strukturelle Ansatz ermöglicht es, den Umfang von Netzwerkeffekten and Netwerkkompatibilität zu identifizieren. Nach unserem Wissen ist es das erste Modell, das diese...

Empirical work on price-cost margins often treats costs as exogenous. Allowing for endogenous costs when estimating price-cost margins is the topic of this paper. Methodologically, the endogenous cost model we propose leads to an additional equation that allows for the simultaneity in price...

This paper proposes a simultaneous-equation approach to the estimation of the contribution of transport infrastructure accumulation to regional growth. We model explicitly the political-economy process driving infrastructure investments; in doing so, we eliminate a potential source of bias in...