We investigate the location choice of two firms whose objectives are the weighted average of their own profit and social welfare, in which they simultaneously decide their locations before setting their prices. The purpose of this paper is to examine whether the asymmetric locations are...

This paper investigates the competition between vertically differentiated platforms in two-sided markets. We assume the presence of two competing platforms producing either higher- or lower-quality devices for consumers. Each platform decides the price of its hardware device for consumers and...

We examine whether agency contracts, more than traditional wholesale contracts, facilitate collusion among upstream manufacturers. We develop an infinitely repeated game with a monopoly platform and multiple manufacturers, and show that the agency contract does not facilitate upstream collusion....

This paper presents a model in which a monopoly platform not only operates a marketplace intermediating direct transactions between consumers and third-party sellers, but also sells its first-party products at the marketplace, which is designated herein as platform encroachment. When...