Background: In the present era, observing ethical principles as one of the effective factors in reducing psychosocial factors and improving the decision-making system of managers in the organization is of particular importance. The aim of the present study is to mediate the role of psychosocial factors in the relationship between professional ethics and decisions of education directors in Shira...

Data Envelopment Analysis (DEA) cannot provide adequate discrimination among efficient decision making units (DMUs). To discriminate these efficient DMUs is an interesting research subject. The purpose of this paper is to develop the mix integer linear model which was proposed by Foroughi (Foroughi A.A. A new mixed integer linear model for selecting the best decision making units in data envelo...

If, according to Gaetano Mosca, the Italian social thinker, we define elites as individuals and groups, that, as a result of the power they gain, they plan idea and, as a result of that, make decisions that are effective in the community action; thus, at the macro and national levels, the elites and experts of each country are considered as the most important and valuable treasure of the countr...