In this paper, we discuss a multiperiod portfolio selection problem with fuzzy returns. We present a new credibilitic multiperiod mean semi- absolute deviation portfolio selection with some real factors including transaction costs, borrowing constraints, entropy constraints, threshold constraints and risk control. In the proposed model, we quantify the investment return and risk associated with...

This paper investigates the situation in Merton (1969) model that volatility is a constant rather than stochastic process, then points out this misspecification since it doesn't match real market. Next, HJB equation with derived through control, thereby calibrate misspecification.

customer participation in new economic subjects is a valuable phenomenon that refers to social notice to commerce. in this area consumers want a good protection from the vendors, especially in e-purchasing. companies usually have some strategies to improve customer trust feeling in electronic purchasing. in iran, consumers are always challenging with these companies to fulfill themselves consum...