This paper examines the role of lumpy consumer durables and market power in generating endogenous cycles which seem to be consistent with the facts. When goods are durable, past consumption choices determine the current market size which consists of consumers who have not purchased the good...

Mankiw [1982] explores the Permanent Income Hypothesis implication that durable expenditures follow an ARMA(1,1) representation. He finds that durable expenditures are represented by an AR(1) process which implies that the rate of depreciation of durables, under the PIH model, is 100%. This...