I formalise a rather stylised insurance market with adverse selection as a standard duopoly. I formally specify demand functions and profits and I prove that a
Under the conditions conjectured by Rothschild and Stiglitz (1976) as leading to extreme market failure, we show the existence of a unique incentive-efficient e
Inter-firm rivalry and its impact on the stationarity of the economy are formalized in terms of selective efficiency that extends the Pareto and the Caldor-Hick
The price of a general insurance policy for each insurer in a competitive non-cooperative market is determined by finding the Nash equilibrium of an N-player di