In this paper we study the transition from a pay-as-you-go system of Social Security pensions to an investment-based system in an economy in which portfolio returns and capital profitability are both uncertain. The paper extends earlier studies by Feldstein and Samwick that modeled the...

This paper presents several alternative Social Security reform options in which the projected level of benefits for every future cohort of retirees is as high or higher than the benefits projected in current law. These future benefits can be achieved without any increase in the payroll tax or in...

This paper analyzes the impact of corporate social responsibility (CSR) on the total provision of public goods in a framework in which consumers who may make such voluntary contributions to public goods via CSR are also voters who decide on the level of taxes to finance publicly provided public...