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The question of whether higher–lifetime income households save a larger fraction of their income was the subject of much debate in the 1950s and 1960s, and while not resolved, it remains central to the evaluation of tax and macroeconomic policies. We resolve this long‐standing question using new empirical methods applied to the Panel Study of Income Dynamics, the Survey of Consumer Finances, and the Consumer Expenditure Survey. We find a strong positive relationship between saving rates and lifetime income and a weaker but still positive relationship between the marginal propensity to save and lifetime income. There is little support for theories that seek to explain these positive correlations by relying solely on time preference rates, nonhomothetic preferences, or variations in Social Security benefits. There is more support for models emphasizing uncertainty with respect to income and health expenses, bequest motives, and asset‐based means testing or behavioral factors causing minimal saving rates among low‐income households.
Current issues are now on the Chicago Journals website. Read the latest issue.One of the oldest and most prestigious journals in economics, the Journal of Political Economy (JPE) presents significant and essential scholarship in economic theory and practice. The journal publishes highly selective and widely cited analytical, interpretive, and empirical studies in a number of areas, including monetary theory, fiscal policy, labor economics, development, microeconomic and macroeconomic theory, international trade and finance, industrial organization, and social economics.
Since its origins in 1890 as one of the three main divisions of the University of Chicago, The University of Chicago Press has embraced as its mission the obligation to disseminate scholarship of the highest standard and to publish serious works that promote education, foster public understanding, and enrich cultural life. Today, the Journals Division publishes more than 70 journals and hardcover serials, in a wide range of academic disciplines, including the social sciences, the humanities, education, the biological and medical sciences, and the physical sciences.
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