In community development, education provision and organisational design, private firms manage peer effects by sorting agents into different neighbourhoods, schools and teams. This paper considers such a firm who controls group entry by setting a series of anonymous prices. We show that private...

This paper solves for the profit maximising strategy of a durable-goods monopolist when incoming demand varies over time. Each period, additional consumers enter the market; these consumers can then choose whether and when to purchase. We first characterise the consumer's utility maximisation...