In the last decade, behavioral economics, borrowing from psychology and sociology to explain decisions inconsistent with traditional economics, has revolutionized the way economists view the world. But despite this general success, behavioral thinking has fundamentally transformed only one field...

Presents a correction to an article on rational expectations in business cycles.

This paper sets out the economic analytics of pensions. After introductory discussion, successive sections consider the effects of different pension arrangements on labour markets, on national savings and growth, and on the distribution of burdens and benefits. These areas are controversial and...

This paper explores the general-equilibrium impact of social security portfolio diversification into private securities, either through the trust fund or private accounts. The analysis depends critically on heterogeneities in saving, production, assets, and taxes. Limited diversification weakly...

The President's Commission to Strengthen Social Security proposed three plans for reforming Social Security. All of them would create individual accounts financed by diverting funds from the Social Security Trust Fund. One of the three Commission proposals (Model 1) would not restore long-term...