As governments continue to privatize infrastructure services like electricity or gas the importance of private infrastructure providers increases. After some years these providers are often confronted with stricter state regulation that impacts their freedom of action and reduces their...

In this paper we make use of a unique dataset collected in the central train station of Kiel, Germany. A group ticket is used by individual proposers who search for co-travelers to share the ride with shortly before the train departure. The bargaining behavior resembles the Ultimatum game to the...