This paper uses historicaI U.S. data to directly estimate the contribution of intergenerational transfers to aggregate capital accumulation. The evidence presented indicates that intergenerational transfers account for the vast majority of aggregate U .S. capital formation; only a negligible fraction of actual capital accumulation can be traced u, life-cycle or "hump" savings. A major difference between this study and previous investigations of this issue is the use of more accurate longitudinal age-earnings and age-consumption profiles. These profiles are simply too flat to generate substantial lifecycle savings. This paper suggests the importance of and need for substantially greater research and data collection on intergenerational transfers. fife-cycle models of savings that emphasize savings for retirement as the dominant form of apical accumulation should give way to models that illuminate the determinants of intergenerational transfers.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
0445.
Length: Date of creation: Oct 1981 Date of revision: Publication status: published as Kotlikoff, Laurence J. and Summers, Lawrence H. "The Role of Intergenerational Transfers in Aggregate Capital Accumulation." Journal of Political Economy, Vol. 89, No. 4, (August 1981), pp. 706-732. Handle: RePEc:nbr:nberwo:0445
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Martin Feldstein & Jeffrey B. Liebman, 2001.
"Social Security,"
NBER Working Papers
8451, National Bureau of Economic Research, Inc.
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Other versions:
Feldstein, Martin & Liebman, Jeffrey B., 2002.
"Social security,"
Handbook of Public Economics,
in: A. J. Auerbach & M. Feldstein (ed.), Handbook of Public Economics, edition 1, volume 4, chapter 32, pages 2245-2324
Elsevier.
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