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Molecular Genetics and Economics

[Symposium: Genetics and Economics]

By Jonathan P. Beauchamp, David Cesarini, Magnus Johannesson, Matthijs J. H. M. van der Loos, Philipp D. Koellinger, Patrick J. F. Groenen, James H. Fowler, J. Niels Rosenquist, A. Roy Thurik, and Nicholas A. Christakis

Journal of Economic Perspectives, Fall 2011

The costs of comprehensively genotyping human subjects have fallen to the point where major funding bodies, even in the social sciences, are beginning to incorporate genetic and biological markers into major social surveys. How, if at all, should economis...

Genes, Eyeglasses, and Social Policy

[Symposium: Genetics and Economics]

By Charles F. Manski

Journal of Economic Perspectives, Fall 2011

Someone reading empirical research relating human genetics to personal outcomes must be careful to distinguish two types of work: An old literature on heritability attempts to decompose cross-sectional variation in observed outcomes into unobservable gene...

Insuring Long-Term Care in the United States

[Symposium: After Retirement]

By Jeffrey R. Brown and Amy Finkelstein

Journal of Economic Perspectives, Fall 2011

Long-term care expenditures constitute one of the largest uninsured financial risks facing the elderly in the United States and thus play a central role in determining the retirement security of elderly Americans. In this essay, we begin by providing some...

Annuitization Puzzles

[Symposium: After Retirement]

By Shlomo Benartzi, Alessandro Previtero, and Richard H. Thaler

Journal of Economic Perspectives, Fall 2011

In his Nobel Prize acceptance speech given in 1985, Franco Modigliani drew attention to the "annuitization puzzle": that annuity contracts, other than pensions through group insurance, are extremely rare. Rational choice theory predicts that households w...

Retrospectives: X-Efficiency

By Michael Perelman

Journal of Economic Perspectives, Fall 2011

In a 1966 article in the American Economic Review, Harvey Leibenstein introduced the concept of "X-efficiency": the gap between ideal allocative efficiency and actually existing efficiency. Leibenstein insisted that absent strong competitive pre...

Search and Satisficing

By Andrew Caplin, Mark Dean, and Daniel Martin

American Economic Review, December 2011

Many everyday decisions are made without full examination of all available options, and, as a result, the best available option may be missed. We develop a search-theoretic choice experiment to study the impact of incomplete consideration on the quality o...

Sources of Lifetime Inequality

By Mark Huggett, Gustavo Ventura, and Amir Yaron

American Economic Review, December 2011

Is lifetime inequality mainly due to differences across people established early in life or to differences in luck experienced over the working lifetime? We answer this question within a model that features idiosyncratic shocks to human capital, estimate...