Buffer-Stock Saving and the Life Cycle/Permanent Income Hypothesis
AbstractThis paper argues that the typical household's saving is better described by a traditional version of the Life Cycle/Permanent Income Hypothesis (LC/PIH) model. Buffer-stock behavior emerges if consumers with important income uncertainty are sufficiently impatient. In the traditional model, consumption growth is determined solely by tastes; in contrast, buffer-stock consumers set average consumption growth equal to average labor income growth, regardless of tastes. The model can explain three empirical puzzles: the ; the the 1930's; and the temporal stability of the household age/wealth profile despite the unpredictability of idiosyncratic wealth changes.
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Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 5788.
Date of creation: Oct 1996
Date of revision:
Publication status: published as Quarterly Journal of Economics, Vol. 107, no. 1 (February 1997): 1-56.
Note: EFG ME
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Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.
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Other versions of this item:
- Carroll, Christopher D, 1997. "Buffer-Stock Saving and the Life Cycle/Permanent Income Hypothesis," The Quarterly Journal of Economics, MIT Press, MIT Press, vol. 112(1), pages 1-55, February.
- Christopher D Carroll, 1990. "Buffer-Stock Saving and the Life Cycle/Permanent Income Hypothesis," Economics Working Paper Archive 371, The Johns Hopkins University,Department of Economics, revised Aug 1996.
- D91 - Microeconomics - - Intertemporal Choice - - - Intertemporal Household Choice; Life Cycle Models and Saving
- E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
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