The paper outlines in an informal an summary way some perspectives suggested by game theory for analysing the problem of the acquisition and use of force, the shift in its use from coercion to the power to enforce rules, the recognition of abilities and entrepreneurship as sources of power more...

It gives an informal definition of the main elements of a game: the set of players, the concept of a move and of a strategy, the normal and the extended form, a first introduction to the description of information, the set of results that can be reached and the value each player attaches to a...

A simple proof of existence of a non cooperative Nash equilibrium is briefly discussed, together with an introduction to the problems arising from its uniqueness or non uniqueness, to the properties which can be ascribed to an equilibrium and those connected with the search for an equilibrium.

The concept of a repeated game is introduced and applied to the case of the centipede, the finite and the indefinitely repeated prisoner’s dilemma. The consequences of the assumption of common knowledge of rationality are outlined. A concept of reasonableness is introduced and some of its...