We study the market for vaccinations considering income heterogeneity on the demand side and monopoly power on the supply side. A monopolist has an incentive to exploit the external effect of vaccinations and leave the poor susceptible in order to increase the willingness to pay of the rich....

We study the market for vaccinations considering income heterogeneity on the demand side and monopoly power on the supply side. A monopolist has an incentive to exploit the external effect of vaccinations and leave the poor susceptible in order to increase the willingness to pay of the rich....

Random factors such as bad weather or exogenous economic shocks affect the re-election of politicians and can reduce accountability. Such distorted election choices interact with the architecture of government. Contrasting centralized with decentralized political systems, this study shows that...

Health care systems are under reform in many countries. This typically involves a shift towards more competition. But still, markets are highly regulated. This study analyzes competition and regulatory measures in four important fields using the modern tools of microeconomic theory and...

Exploiting the German 2008 tax reform we employ an event study design to assess the effects of local corporate taxes on stock prices. We match firms to the local tax rates at their respective headquarters and analyze the differential stock market responses to the reform decision. We find that...

We investigate whether public provision of positional goods can be a sensible instrument to address inefficiencies arising from relative-standing externalities associated with the excessive consumption of such goods. In situations where consumers face a discrete choice between a private and a...

Adjustment costs cause movements of the labour share if the economy experiences demand or wage shocks. With linear adjustment costs and Cobb-Douglas technology, these movements are independent of the size of these shocks and depend only on the size of the adjustment costs.

A firm facing employment protection will defend its market position more fiercely than a firm operating without such restrictions. However, ex ante it will be more reluctant to expand its market position. For the benchmark case of contest competition, the defensive effect dominates. A firm...

We study the role of competition for the hold-up problem in foreign direct investment in resource-based industries. The host country government is not only unable to commit not to expropriate investment ex post, but is also unable to commit to the provision of local resources. In the case of...

A gradually introduced reform of local government accounting made it temporarily likely for municipalities in the German state of North Rhine-Westphalia to avoid the effective control of their budget by the authorities in charge with overseeing local government budgets and enforcing the existing...