I show that, in a benchmark OLG model with a Cobb-Douglas production function, returns to the pay-as-you-go system and the funded system are perfectly correlated in the presence of uncertainty about future technology, demography and capital stock. Therefore, uncertainty as such might not be a...

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...