[eng] The completion of the Single Market together with the monetary union perspective are transforming the EEC into an emerging federation. However federalism has several components and may advance in certain areas without taking off elsexhere. Therefore, whether such an evolution towards...

The authors study a differentiated industry in which two firms compete by offering intervals of qualities to heterogenous consumers. They establish conditions which, for perfect competition and monopoly, imply that different consumers choose different qualities. Under these conditions, they show...