New product planning models attempt to predict the market consequences of product line and product design decisions. One output of such models, especially those driven by subjective or market research data, is usually theoretical market shares based upon consumer preferences under idealized...

When a good or service is offered in a variety of qualities with corresponding marginal prices, a quality-based allocation of consumption units by buyers is induced. This enables a monopolist supplier to achieve partial discrimination among buyers with different consumption preferences. We...

The physical nature of electricity generation and delivery creates special problems for the design of efficient markets, notably the need to manage delivery in real time and the volatile congestion and associated costs that result. Proposals for the operation of the deregulated electricity...