We build a computable OLG model with monetary growth to calculate the optimal level of inflation rate for Japan, and to study policy reforms make any quantitative impacts on it. Four main results were obtained: (i) the optimal inflation rate for Japan is calculated around 1.0%; (ii) the...

This paper analyzes the possibility of some generations' welfare improvement via child benefit programs, without making any generation worse off, in an overlapping generations economy that has endogenous fertility and large government debt levels. We derive the conditions for this improvement...