We address two questions. First, does the excess entry result of pure oligopoly hold when firms face a substitute good produced by a public firm? Second, what would be the optimal ownership of the public firm? We find that excess entry still occurs, but the excessiveness is largely mitigated due...

This paper studies a two-sided matching market with intermediation where an incumbent match-maker faces the threat of entry from a potential entrant. When the payoff from matching is complementary in the types of the agents there exists a weak sequential equilibrium, either with entry and market...