Increases in income tax progressivity generally entail some efficiency cost due to increased distortion of individuals' labor supply decisions. This paper quantifies the magnitude of the efficiency cost of several policies which would increase the progressivity of the U.S. individual income tax....

Investigates the prospects for moving the average retirement age to 66 from 63. Examines companies' incentives to employ older workers and what government can do to promote continued participation in the workforce. Considers the challenge of ensuring a secure retirement for low-wage workers and...