NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Why Aren't Developed Countries Saving?

Loretti I. Dobrescu, Laurence J. Kotlikoff, Alberto F. Motta

NBER Working Paper No. 14580
Issued in December 2008
NBER Program(s):   AG   ME   PE   POL   PR

National saving rates differ enormously across developed countries. But these differences obscure a common trend, namely a dramatic decline over time. France and Italy, for example, saved over 17 percent of national income in 1970, but less than 7 percent in 2006. Japan saved 30 percent in 1970, but only 8 percent in 2006. And the U.S. saved 9 percent in 1970, but only 2 percent in 2006. What explains these international and intertemporal differences? Is it demographics, government spending, productivity growth or preferences? Our answer is preferences. Developed societies are placing increasing weight on the welfare of those currently alive, particularly contemporaneous older generations. This conclusion emerges from estimating two models in which society makes consumption and labor supply decisions in light of uncertainty over future government spending, productivity, and social preferences. The two models differ in terms of the nature of preference uncertainty and the extent to which current society can control future societies' spending and labor supply decisions.

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Document Object Identifier (DOI): 10.3386/w14580

Published: Dobrescu, Loretti I. & Kotlikoff, Laurence J. & Motta, Alberto, 2012. "Why aren't developed countries saving?," European Economic Review, Elsevier, vol. 56(6), pages 1261-1275.

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