The functional relationship among the armaments of states has been the principal focus of most arms race research. The other factors which might affect armaments and which are captured in the parameters of the functional relationship, are assumed to remain constant. I argue that the assumption...

This study reports and analyzes the results of the second round of the computer tournament for the iterated Prisoner's Dilemma. The object is to gain a deeper understanding of how to perform well in such a setting. The 62 entrants were able to draw lessons from the results of the first round and...

It is proposed that the need to believe in a just world influences the subjective probabilities a person assigns to various outcomes. That is, moral actions will be thought likely to receive rewards, and immoral actions will be thought likely to be punished. This was tested with both survey data...