The purpose of this article is to investigate the properties of equilibrium in a market with a leader. In particular, we examine how the equilibrium values depend on existing competitors. When the number of competitors is exogenously given, most equilibrium values, including the leader’s...

Buyer cooperatives, buyer alliances, and horizontal mergers are often perceived as attempts to increase buyer power. In contrast to prior research emphasizing group size, I show that even small buyer groups composed of buyers with heterogeneous preferences can increase price competition among...

This paper examines how time to build alters strategic investment behaviour under oligopoly. Facing demand uncertainty, firms decide whether to invest early or wait until uncertainty has been resolved. A game that captures time-to-build investment is contrasted with another one in which...