The mathematization of economics has proceeded along Bourbakian and formalistic pathways. The methodological underpinnings have been provided by deductivism. Recent developments in logic, the foundations of mathematics, and the philosophy of science suggest new possibilities for the...

In his stimulating Nobel Prize Lecture, Paul Samuelson made the important point that there were interesting macrodynamic systems which could, in no sensible sense, be associated with maximization problems. The paradigmatic example he chose was the multiplier-accelerator system. In this paper I...

...... there are games in which the player who in theory can always win cannot do so in practice because it is impossible to supply him with effective instructions regarding how he should play in order to win. Rabin, 1957. The above is a statement of the first important result in what I have...