Fair pricing

by Julio Rotemberg

"I suppose that consumers see a firm as fair if they cannot reject the hypothesis that the firm is somewhat benevolent towards them. Consumers that can reject this hypothesis become angry, which is costly to the firm. I show that firms that wish to avoid this anger will keep their prices rigid under some circumstances when prices would vary under more standard assumptions. The desire to appear benevolent can also lead firms to practice both third-degree and intertemporal price discrimination. Thus, the observation of temporary sales is consistent with my model of fair prices. The model...