The first article published by Franco Modigliani has become one of the basic texts of the modern Keynesian economics. It formalized the model (or at least one model) implicit in the General Theory. Modigliani argued that the characteristics Keynesian conclusions are based primarily on the...

The paper surveys the neoclassical theory of growth. As a preliminary, the meaning of the adjective "neoclassical" is discussed. The basic model is then sketched, and the conditions ensuring a stationary state are illustrated. The issue of the convergence to a stationary state (and that of the...