This paper presents several models of the demand for quality differentiated goods in which the consumer decides which brand of product to select as well as how many units to buy. The models cover a variety of preference structures and can readily be estimated using standard techniques for...

Water suppliers have been adopting new rate structures to promote conservation. The shift away from rates based on historical average cost toward rates based on marginal cost has been motivated by the desire to send consumers the "right" price signal about the need to conserve drinking water....