abstract this author introduces the concept of stepwise strategy approach (ssa) for dealing with a number of problems arises in the current age of technology. this new idea is combined with the knowledge of grey theory for adding flexibility to decision making process. grey theory is useful for grasping the ambiguity exists in the utilized information and the fuzziness appears in the human judg...

Decision theory seeks to establish general principles of rationality to guide decision makers in situations involving risk or uncertainty. It is a vibrant subject covering many academic disciplines with numerous subspecialties. I cannot hope to do justice to even a small portion of the recent developments in a piece of this length, so I will confine my attention to what I see as the threl most ...

We briefly introduce and discuss two two-player non-zero-sum games, mainly to illustrate that such games are substantially more complex to investigate than zero-sum games. Actually, the key aspect of such games is that the sum of the pay-offs to the two players is not constant over all pairs of strategies, as constant sum games are equivalent to zero-sum games (think about this; one can imagine...