This paper analyzes the incentive effects of pollution taxes versus pollution permits for a budget oriented Government. Pollution permits are analyzed as durable goods, and a pollution tax is seen as an equivalent to leasing pollution permits. First, a general model is developed and then four...

This paper examines the consequences of introducing mobile number portability (MNP). We show that if the sole effect of introducing MNP is the abolishment of switching costs, MNP unambiguously benefits mobile customers. However, if MNP also causes consumer ignorance, as telephone numbers no...

Many cartels are formed by individual managers of different firms, but not by firms as collectives. However, most of the literature in industrial economics neglects individuals’ incentives to form cartels. Although oligopoly experiments reveal important insights on individuals acting as firms,...