The paper considers tacit collusion in markets which are not fully transparent on both sides. Consumers only detect prices with some probability before deciding which fi?rm to purchase from, and each fi?rm only detects the other fi?rm's price with some probability. Increasing transparency on the...

The paper investigates strategic campaigning in a model of redistributive politics in a society with many groups and two parties. Campaigns are informative, and parties can target campaigns to different groups. Voters are uncertain about whether parties fabor special groups. The parties will...

This paper investigates the merits of different democratic institutions when politics is uni-dimensional, there is uncertainty both about the preferences of the future electorate and the future polarization of political parties, and politicians have better information about the state of the...

This paper investigates the effects on tacit collusion of increased market transparency on the consumer side of a market in a differentiated Hotelling duopoly. Increasing market transparency increases the benefits to a firm from underbutting the collusive price. It also decreases the punishment...

In several European merger cases competition authorities have demanded that the merging firm auctions off virtual capacity. The buyer of virtual capacity receives an option on an amount of output at a pre-specified price, typically equal to marginal cost. This output is sold in the market in...

This paper investigates the merits of different democratic institutions when politics is uni-dimensional, there is uncertainty both about the preferences of the future electorate and the future polarization of political parties, and politicians have better information about the state of the...