This paper analyzes vertical integration incentives in a bilaterally duopolistic industry where upstream producers bargain with downstream retailers on terms of supply. In the applied framework integration does not affect the total output produced, but it affects the distribution of rents among...

We develop a model for two-sided markets with consumers and producers, who interact through a platform. Typical settings for the model are the market for smartphones with phone users, app producers, and smartphone operating systems; or the video game market with game players, video game...

We analyze competition between workers in a gift-exchange experiment where two workers are hired by the same employer. In the competition treatment the two employees simultaneously choose their effort whereas in the baseline treatment competition cannot occur since there is only one employee per...

We analyze how consumer preferences for one-stop shopping affect the bargaining relationship between a retailer and its suppliers. One-stop shopping preferences create demand complementarities among otherwise independent products which lead to two opposing effects on upstream merger incentives:...

It has been a policy proposal since long to vertically separate transport and infrastructure in Germany's railway sector. The proposal received new momentum, when selling the transport subsidiaries of Deutsche Bahn AG to the public was discussed in 2008/2009. While vertical separation is...

This model discusses mobile network operators' (MNOs) incentives to invest in their network facilities such as new 4G networks under various regimes of data roaming charge regulation. Given an induced externality of investments (spillovers) due to the roaming agreements it will be shown that...

In this paper we investigate the existence of a two-tier medical system in the German acute care hospital sector using data from a survey of 483 German hospitals. The focus of our analysis lies on the impact of hospital concentration on the probability of discrimination of patients with...