1. The social insurance paradox;Aaron;Canadian Journal of Economics and Political Science,1966
2. Lectures on public economics;Atkinson,1980
3. Welfare effects of unfunded pension systems when labor supply is endogenous;Breyer;Journal of Public Economics,1993
4. Theory of equitable taxation;Brunner,1989
5. Transition from an unfunded to a funded pension system in a closed economy;Brunner,1993