We study habitual brand loyalty, one of the earliest empirically-studied forms of switching costs and a classic source of structural state-dependence in consumer demand. Auxiliary instruments and economically-motivated restrictions can tighten nonparametric bounds on the extent of brand loyalty...

Theory: Markets and the tyranny of the majority; Are "lumpy" markets a problem?; Empirical evidence: Who benefits whom in practice; Who benefits whom in the neighborhood; Preference minorities as citizens and consumers -- Market solutions and their limits: Market enlargement and consumer...