Endogenous Availability in Search Equilibrium
研究消费者通过逛两家店来压低价格时，企业如何调整报价以阻止这种行为，并比较双寡头与垄断下的价格、可得性、利润和福利。
bargaining power by shopping at two firms and then bringing those firms into competition with one another. Knowing this, firms adjust quoted prices to keep customers from exercising this option. We compare equilibrium prices and availability, firm profits, and customer welfare under duopoly with those that would obtain under monopoly. Wefind that for low levels of (exogenous) customer search costs, duopolists provide lower prices and lower availability, while for high customer search costs, duopolists provide the same price but greater availability than would a monopolist.