We analyze the effects of accidents and liability obligations on the incentives of car manufacturers to monopolize the markets for their spare parts. We show that monopolized markets for spare parts lead to inefficiently high prices for spare parts. Furthermore, monopolization induces the...

We analyse the subgame perfect equilibrium of a four stage game in a model of vertical product differentiation, where the consumer's evaluation of a product depends on its inherent quality and on its network's size. First, two firms choose their product's inherent quality. Then they may mutually...