Antitrust laws in many countries prohibit the setting of differential prices across buyers who compete against each other. In this paper, we consider a setting in which a downstream manufacturer holds non-controlling stakes in its rival and both buy input from an unptream monopolist. We find...

This paper studies third degree price discrimination in a monopolistically competitive market. When the number of firms is fixed, price discrimination raises firm profit and reduces consumer welfare relative to uniform pricing. In the long run, the equilibrium product variety under price...

Whether input suppliers charge customized (discriminatory) or industry-wide (uniform) prices affects downstream manufacturers' incentives to innovate. This paper investigates the implications of input price discrimination when an upstream monopolist commits to prices before downstream firms make...