This paper presents an examination of optimal revenue management of a monopoly auction house through which a seller sells goods via a second-price auction. The house charges commissions to both the buyer and seller. Results demonstrate that a continuum of combinations of optimal buyer and seller...

This paper studies competition between ad-sponsored platforms that strategically determine business models. In addition to basic services including annoying advertisements, each platform decides whether to introduce an ad-free premium service (i.e., a freemium business model). Freemium platforms...

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...

This paper examines strategic contracting between a monopoly platform and suppliers that sell their goods through the platform. I consider two competing suppliers: a high-volume supplier with the larger potential demand and a low-volume supplier with the smaller one. Each supplier chooses one of...

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...

To elucidate supply chain cooperation between a manufacturer and a retailer, this study examines a model in which the retailer makes voluntary investments to reduce the marginal production cost of the manufacturer. The manufacturer is allowed to introduce a direct selling channel in addition to...