Born out of the conscious effort to imitate mechanical physics, neoclassical economics ended up in the mid 20th century embracing a purely mathematical notion of rigor as embodied by the axiomatic method. This lecture tries to explain how this could happen, or, why and when the economists' role...

The book explores the evolution, through the first half of the 20th century, of the key neoclassical concept of rationality. The analysis begins with the development of modern decision theory, covers the interwar debates over the role of perfect foresight and analyses the first game-theoretic...