We consider dynamic competition among platforms in a market with network externalities. A platform that dominated the market in the previous period becomes "focal" in the current period, in that agents play the equilibrium in which they adopt the focal platform whenever such equilibrium exists....

We consider platform competition in a two-sided market, where the two sides (buyers and sellers) have ex-ante uncertainty and ex- post asymmetric information concerning the value of a new tech- nology. We find that platform competition may lead to a market failure: competition may result in a...

We consider platform competition in a two-sided market, where the two sides (buyers and sellers) have ex-ante uncertainty and ex-post asymmetric information concerning the value of a new technology. We find that platform competition may lead to a market failure: competition may result in a lower...