A model is presented where workers of differing abilities and from different social backgrounds are assigned to jobs based on grades received at school. It is examined how this matching is affected if good grades are granted to some low ability students. Such grade inflation is shown to reduce...

This paper examines how quality incentives are related to the interoperability of competing platforms. Platforms choose whether to operate standardised or exclusively, prior to quality and subsequent price competition. We find that platforms choose a common standard if they can coordinate their...

A model of two-sided market (for credit cards) is introduced and discussed. In this model, agents can join none, one, or more than one platform (multihoming), depending on access prices and the choices made by agents on the opposite market side. Although emerging multihoming patterns are,...