We study how the migration from an old to a new technology is affected by the access price to the old technology. We show that both the incumbent and the regulator are willing to set a very high access price to accelerate consumers' migration to the new technology. When the quality of the old...

This paper considers a model with labor market frictions and monopolistic competition in the goods market. It also introduces proportional income taxation and unemployment benefits with a balanced government budget constraint. The paper evaluates the effects of more competition and higher...

Apple iOS is a closed platform;Google Android is open. In this paper,we combine data on iOS and Android tablet sales with data on the top 1000 mobile applications from both platforms for five European countries and estimate a structural demand model.We find that the quality of applications...