We study a vertically differentiated market where two firms simultaneously choose the quality and price of the good they sell and where consumers also care for the average quality of the goods supplied. Firms are composed of two factions whose objectives differ: one is maximizing profit while...

We study majority voting over a bidimensional policy space when the voters' type space is either uni- or bidimensional. We show that a Condorcet winner fails to generically exist even with a unidimensional type space. We then study two voting procedures widely used in the literature. The...

In this paper, we lay the first building blocks of a positive theory of nation formation where national choices consist of the size and location of a public good. Individuals differ both in income and in their preferences for the public good location. Public expenditures are financed either by a...