Mulligan, Casey B.; Sala-i-Martin, Xavier - Department of Economics and Business, Universitat … - 1999
of social security include the "SS as welfare for the elderly" the "retirement increases productivity to optimally manage … human capital externalities", "optimal retirement insurance", the "prodigal father problem", the "misguided Keynesian", the … "monopoly capitalism theory", and the "Sub-but-Nearly-Optimal policy response to private pensions theory". The political and …