This work is based on Prospect theory, which was developed by D. Kahneman and A. Tversky in 1979. This is one the most quoted and best-documented point of view in economic psychology. First of all, it replaces, once again, the notion of utility with value. But value is defined in terms of gains...

Decision contexts, decision nature and characteristics that are to be made, the features of the decision maker, the quantity and the quality of the information available intended to support the decision making process are the major premises of the efficiency. In the world where the changes are...