Starbird, Sterling A.Milligan, Robert A.2019-10-152019-10-151987-07https://hdl.handle.net/1813/68430The hypothesis is adduced that in some monopolistically competitive markets a firm's demand schedule evolves faster than the firm's marketing policies can adjust. A probabilistic model of this phenomenon is introduced. The numerical analysis of a New York fresh apple packer's inventory control policies illustrates the model's usefulness.en-USarticle