The paper studies a Partial Cartel model where only a subset of firms colludes. In this model, firms' ability to collude depends on the discount factor. In addition, as hardly any attention has been given by the literature to the case where mergers take place in a collusive framework, the...

This paper analyzes the effects of ATM surcharges on deployment and welfare, in a model where banks compete for ATM and banking services. Foreign fees, surcharges and the interchange fee are endogenously determined. We find that, when the interchange fee is cooperatively fixed by banks to...

We consider whether banks should be allowed to set different ATM prices to their customers depending on whether they hold an account on the bank. In Massoud and Bernhardt (2002), without considering an interchange fee, a ban on price discrimination on ATM services increases total surplus. In the...

In the context of the recent electricity market reforms in Europe and the US, we evaluate the performance of the Spanish pool. Our method is not based on price-cost estimates but rather on the different behavior of operators with higher market power as compared to the behavior of more...