This paper explores in detail a price game with two potential competitors who sell products with different qualities and where unit production costs are increasing with quality. Depending on the quality combinations, many types of price equilibria configurations may exist, besides the classical...

From the angle of competition policy, Voice over IP looks like a panacea. It not only brings better service, but it also increases competitive pressure on former telecommunications monopolists. This paper points to the largely overlooked downside. In a pure world of Internet telephony, there...

I study the relationship between data and market power in a duopoly model of price discrimination with search frictions. One firm receives a signal about the valuation of any arriving consumer while its rival receives no information. A share of consumers, who I name directed searchers, have...

We examine firms' motivations for implementing grandfather clauses that allow certain consumers to continue access to a service at a favorable, but no longer available price. We find that when consumers are fully cognizant of their valuations for available product alternatives, firms are...

We compare an n-firm Cournot model with a Stackelberg model, where n-firms choose outputs sequentially, in a stochastic demand environment with private information. The expected total output, consumer surplus, and total surplus are lower, while expected price and total profits are higher in...

Health care markets fail to satisfy many requirements for perfect competition, including large numbers of consumers and firms, zero search costs, and marketability of all goods and services. Over time, health care markets have evolved to overcome the resulting inefficiencies. We combine the...

Alliances between competitors where an established firm provides access to its marketing and distribution channels are an important real-world phenomenon. We analyze a market where an established firm, firm A, produces a product of well-known quality, and a firm with an unknown brand, firm B,...

We consider price setting strategic behavior in the market for quality-differentiated goods. In his classic analysis Ricardo showed that at the competition equilibrium the price of marginal unit is driven to zero. An oligopolistic market structure leads to a radically different equilibrium in...

We study the design of online platforms that aggregate information and facilitate transactions. Two different designs can be observed in the market: revealing platforms that disclose the identity of transaction partners (e.g. Booking) and anonymous platforms that do not (e.g. Hotwire). To...