Pension benefit rules depend on individual history far more than taxes do, and age plays a much larger role in pension determination than in tax determination. Apart from some simulation studies, theoretical studies of optimal tax design typically contain neither a mandatory pension system nor...

There are many individual account proposals. For government-organized accounts, the government arranges for both record-keeping and investment management. For privately-organized accounts, individuals directly select private firms to do these tasks. The government spreads the costs of...