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Full-Text Articles in Social and Behavioral Sciences
A Reexamination Of The Consumption Function Using Frequency Domain Regressors, Dean Corbae, Sam Ouliaris, Peter C.B. Phillips
A Reexamination Of The Consumption Function Using Frequency Domain Regressors, Dean Corbae, Sam Ouliaris, Peter C.B. Phillips
Cowles Foundation Discussion Papers
This paper reexamines the permanent income hypothesis (PIH) in the frequency domain. Using a simple model, we demonstrate that the PIH implies the marginal propensity to consume (MPC) out of zero frequency income is unity. The PIH also implies that the MPC out of transitory (or high frequency) income is smaller than the long-run MPC. The paper employs a systems spectral regression procedure to test the PIH that accommodates stochastic trends in the consumption and income series as well as the joint dependence in these series. Monte Carlo simulations suggest that single equation techniques can produce inefficient tests of the …