Coping with the uncertainties of future outcomes is a fundamental theme in finance in a stochastic environment. In the field of stochastic programming, which grown from the traditions of linear and quadratic programming, constrains on future outcomes have commonly been relaxed to the penalty...

The widely used risk measures as standard deviations and value at risk do not always reflect risk preferences accurately. To overcome this problem we show coherent risk approach. For making the overview of the problem of risk measure we propose a coherent risk measure approach. We started from...