An economic crisis in capitalism is a deep and prolonged interruption of the economy-wide circuit of capital. Crises emerge from within the logic of capitalism's operation, and are manifestations of the inherently contradictory process of capital accumulation. The Marxist tradition...

Oskar Lange's 1938 article "The Rate of Interest and the Optimum Propensity to Consume", is usually associated with the original IS-LM approach of the late 1930s. However, Lange's article was not only an attempt to illuminate Keynes's main innovations but the first part of a wide project that...