This paper presents a detailed analysis of the economics of prefunding benefits for the aged, focusing on Social Security but indicating some of the analogous magnitudes for prefunding Medicare Benefits. We use detailed Census and Social Security information to model the transition to a fully...

This paper analyzes the transition from the existing pay-as-you-go Social Security program to a system of funded Mandatory" Individual Retirement Accounts (MIRAs). Because of the high return on real capital relative to the very low return in a mature pay-as-you-go program, the benefits that can...