In a seminal paper O. Williamson (1968) pointed out the relevance of wage rates as a barrier to entry. The crucial point in Williamson's argument is the technological difference between incumbents and entrants - as a potential entrant is supposed to produce with a more labor intensive technology...

The paper deals with existence and properties of temporary migration equilibria with an overlapping generations structure in a two-country-world. Individuals are living for two periods. As a young individual they are supposed to be incompletely informed about wage rates and the quality of life...

Two participants have to decide jointly, with the discussions preceding their choice being video/audiotaped. For two tasks, one with and one without strategic interaction, we refer to obvious reasoning styles as mental models. The videotaped discussions are analyzed according to which mental...