We extend Stahl's (1989) model to a setting with differentiated products to study the effects of price-directed consumer search. Consumers engage in costly search to find out whether products meet their needs. Consumer search is directed by prices when they are observable before search, in contrast to the case in which prices are discovered only after search, where search is naturally random. The equilibrium under price-directed search differs substantially from that under random search, despite certain similarities. We show that as search costs decrease, sales become more likely and firms earn higher expected profits under price-directed search, whereas the opposite holds under random search. Moreover, compared with random search, under pricedirected search firms' expected profits are always lower, but consumer surplus and total welfare are higher provided that the search cost is sufficiently small.
We study a two-stage model in which the information processed by consumers at the first stage (advance selling stage) is endogenously determined. In the model, the firm decides whether to introduce an advance selling program, chooses what attribute information to disclose and determines an advance selling price and a retail price. Forward-looking consumers strategically choose, based on the disclosed information, to buy in advance or to make a purchase decision at the second stage (retail stage) when all information is revealed. We characterize the firm's optimal choice on the advance selling program and the strategy of information disclosure. In particular, we show that the firm always prefers to introduce the advance selling program except when underlying consumer preferences are extremely homogenous. In addition, we find that fully revealing horizontal product information at the advance selling stage is never optimal to the firm, but revealing either partial or no product information can be optimal depending on the underlying consumer preferences.Our finding that partial information disclosure is sometimes optimal to the firm is in contrast to the result in the literature of horizontal information provision that a firm maximizes profit by revealing either no or full information to consumers.
A durable good monopolist sells its branded product over two periods. In period 2, when there is entry of a counterfeiter, the branded firm may charge a high price to signal its quality. Counterfeit competition thus enables the branded firm to commit to high future price in period 2, alleviating the classic time-inconsistency problem under durable good monopoly. This can increase the branded firm's profit by encouraging consumer purchase without delay, despite the revenue loss to the counterfeiter. Total welfare can also increase, because early purchase eliminates delay cost and consumers enjoy the good for both periods.JEL: D82, L11, L13
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