, it later “tips” to monopoly, after which entry is hard, often even too hard given incompatibility. And while switching … costs can encourage small-scale entry, they discourage sellers from raiding one another's existing customers, and so also … discourage more aggressive entry. Because of these competitive effects, even inefficient incompatible competition is often more …

which entry is hard, often even too hard given incompatibility. And while switching costs can encourage small-scale entry …, they discourage sellers from raiding one another's existing customers, and so also discourage more aggressive entry …

The existing literature suggests that an incumbent monopolist supplier of a network good can successfully deter entry … to play its preemptive role to deter entry, the monopolist can deter entry, strategically by revealing its R … entry deterrence is welfare reducing …