Die Messung der effektiven Steuerbelastung rentabler Investitionen ist mit zahlreichen methodischen Problemen verbunden. Diese lassen sich zum Teil mit einem auf Devereux und Griffith zurückgehenden Modell überwinden. Basierend auf ihrem Ansatz wird eine Maßgröße für die effektive...

This paper describes a simple model of aggregate and firm growth based on the introduction of new goods. An incumbent firm can combine labor with blueprints for goods it already produces to develop new blueprints. Every worker in the economy is also a potential entrepreneur who can design a new...

Government policies that attempt to alleviate credit constraints faced by small and young firms are widely adopted across countries. We study the aggregate impact of such targeted credit subsidies in a heterogeneous firm model with collateral constraints and endogenous entry and exit. A defining...

Under ex ante access regulation entrants often claim that access fees are excessive. I show that this is only the case if further entry is admitted. If the entrant is protected from further entry it would agree with the incumbent upon a strictly positive access fee which may exceed the efficient...