We introduce a new, integrated regression-based approach for decomposing inequality indices with household-level data, and we examine the strengths and weaknesses of inequality decompositions by income source in light of the way that they are commonly interpreted. The approach uses estimated...

The textbook graphical analysis of price control is inappropriate any time thre is substantial consumer heterogeneity. In cases, such as rental apartments, where one unit is usually the maximum bought per consumer, and the downward slope of the demand function comes exclusively from consumer...

This paper develops a model of pricing to deter entry by a sole supplier of a network good. The authors show that the installed user base of a network good can serve a preemptive function similar to that of an investment in capacity if the entrant's good is incompatible with the incumbent's good...

The increasing returns revolution in trade is incomplete in an important respect --there exists no compelling empirical demonstration of the role of increasing returns in determining production and trade structure. One reason is that trade patterns of the canonical increasing returns models are...

Firms sometimes try to "poach" the current customers of their competitors by offering them special inducements to switch. The authors analyze duopoly poaching under both short-term and long-term contracts in two polar cases: either each consumer's brand preferences are constant from one period...