Models of rational addiction suggest that obesity is consistent with time-consistent preferences. Behavioral economists maintain that addictions such as alcoholism, smoking and over-eating represent examples of present-bias in decision making that is fundamentally irrational. In this article,...

Many attribute the rise in obesity since the early 1980's to the overconsumption of fast food. A dynamic model of a different-product industry equilibrium shows that a firm with market power will price below marginal cost in a steady-state equilibrium. A spatial hedonic pricing model is used to...

Private labels, also known as store brands, are an important component of competitive strategy among multi-product retailers, as they can increase retailers’ power over suppliers in the vertical channel or facilitate horizontal differentiation among retailers. This paper seeks to identify...