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Capacity Constraints in Durable Goods Monopoly: Coase and Hotelling

by Boyce, John, Church, Jeffrey Robert and Vojtassak, Lucia

We examine the effect of a capacity constraint on the profi ts of a durable goods monopoly (DGM) in a two-period model when rationing is efficient. For sufficiently high discount factors, output rises through time without a constraint and a constraint increases the DGM profi ts: it restricts production in the second period, thereby lowering expectations of future prices and the incentive for intertemporal substitution. For lower values of the discount factor, output falls through time without a constraint. Regardless of the discount factor a constraint that binds in both periods may also be profi table. It reduces output in both periods, leading consumers to expect higher prices in the second period and thus increasing market power and prices in the first period.

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