A relative increase in demand for quality can have one of two potentially countervailing effects: it can cause substitution of one quality for another and/or it might expand overall demand by bringing new consumers into the market. This article investigates demand expansion and substitution...

Despite the significant rise in obesity in the U.S., economic research on obesity is still in its infancy. This paper employs a microeconomic approach to investigate the effects of price and income changes on weight in an effort to determine how a high-calorie food tax, a low-calorie food...