We estimate the impact of a differential treatment of paid employees versus self-employed workers in a public health insurance system on the entry rate into entrepreneurship. In Germany, the public health insurance system is mandatory for most paid employees, but not for the self-employed, who...

In this paper, we estimate a dynamic structural model of a rm s decision to invest in R&D and use it to measure the expected long-run bene t from R&D investment. We apply the model to German rms in ve high-tech manufacturing industries and distinguish rms by whether they sell in just the...

This paper examines firm-level productivity for German electricity retailers using a structural production function approach. The sector was subject to fundamental changes in market structure after retail liberalization in 1998. Competition was supposed to increase productivity and reduce retail...

Commercial ceilings not only restrict broadcasters in their decisions about commercial broadcasting time, but also affect their differentiation of program content. This study examines the welfare effects of commercial ceilings in a two-sided free-to-air TV market, taking into account welfare...

The paper provides an analysis of the second-degree price discrimination problem on a monopolistic two-sided market. In a simple framework with two distinct types of agents on market side 1, we show that under incomplete information the extent of platform access for high-demand agents is...

We analyze a stylized model of the world grain market characterized by a small oligopoly of traders with market power on both the supply and demand side. Crops are stochastic and exporting countries can impose export tariffs to protect domestic food prices. We show that export tariffs are...

Commercial ceilings not only restrict broadcasters in their decisions about commercial broadcasting time, but also affect their differentiation of program content. This study examines the welfare effects of commercial ceilings in a two-sided free-to-air TV market, taking into account welfare...

The paper provides an analysis of the second-degree price discrimination problem on a monopolistic two-sided market. In a simple framework with two distinct types of agents on market side 1, we show that under incomplete information the extent of platform access for high-demand agents is...

We analyze a stylized model of the world grain market characterized by a small oligopoly of traders with market power on both the supply and demand side. Crops are stochastic and exporting countries can impose export tariffs to protect domestic food prices. We show that export tariffs are...