I examine how ex ante symmetric firms that compete in prices strategically decide to invest in research and development of cost-reducing technology when the rival firm and the consumers are not aware of the actual outcome of the investment. I also compare the strategic incentive to invest and...

I model the strategic interaction between firms, that face decisions on investment, forward contracts and spot market quantities. For an investment decision that takes place after firms have contracted forward but before firms compete on the spot market (medium term investment), competition...

We investigate the possibility for two vertically related firms to at least partially collude on the wholesale price over an in.nite horizon to mitigate or eliminate the e¤ects of double marginalisation, thereby avoiding contracts which might not be enforceable. We characterise alternative...

We analyze spying out a rival's price in a Bertrand market game with incomplete information. Spying transforms a simultaneous into a robust sequential moves game. We provide conditions for profitable espionage. The spied at firm may attempt to immunize against spying by delaying its pricing...