We analyze the rationale for the pay-as-you-go (paygo) pension system existence on diversi fication grounds. A continuous-time portfolio choice setting is built, basing on Merton (1971)´s analysis, where a reasonable balance between the taking account of the economic and fi nancial facets of...

This paper analyzes the transition from a pay-as-you-go to a fully funded pension system within the framework of endogenous growth in the presence of uncertainty. Gyárfás and Marquardt (2001) prove the possibility of a Pareto improving conversion in a certain world. Two distinct kinds of...