We study road supply by competing firms between a single origin and destination. In previous studies, firms simultaneously set their tolls and capacities while taking the actions of the others as given in a Nash fashion. Then, under some widely used technical assumptions, firms set the same...

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...