This paper provides a mathematical framework for modeling demand and determining optimal price schedules in markets which have demand externalities and can sustain nonlinear pricing. These fundamental economic concepts appear in the marketplace in the form of mutual buyers' benefits and quantity...

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...