This paper re-considers the comparison of Bertrand and Cournot equilibria in a differentiatedduopoly with linear demand and cost functions. It focuses on the case of substitutegoods, and allows for cost asymmetries between firms. The main finding is that, when thedegree of cost asymmetry is...

We exploit the aggregative structure of the public good modelto provide a simple analysis of the voluntary contribution game. Incontrast to the best response function approach, ours avoids the pro-liferation of dimensions as the number of players is increased, andcan readily analyse games...

This paper considers the extent to which expenditure by contestants inimperfectly discriminating rent-seeking contests dissipates all or only partof the rent. In particular, we investigate strategic effects, technologicaleffects and asymmetry under an assumption of diminishing returns to...