Paper approximates long run utility implications of revenue neutral tax schedules, i.e. using first kind Chebyshev polynomials. Utility approximations are made on steady state utility equations of Hall's infinitely-lived-representative-agent model. I endogenized budget neutral tax schedules to...

Portfolio selection simulator of social interaction is proposed in this paper. We explained why different investors possess different portfolios in time and why portfolios change with the change of the environment. The developments of the games are path-dependent depending on several factors....