Notes, Comments and Preliminary results Feb 01 2011 Eisei Ohtaki   A note on the existence of monetary equilibrium in a stochastic OLG model with a finite state space   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Apr 01 2010 Eisei Ohtaki   Sunspots, whether they are risk or uncertainty, cannot matter in the static Arrow-Debreu economy   Abstract  Contact Information  Citation  Full Text  -  Note