Introduction -- Why Are Standard Micro-foundations Wrong? -- Statistical Physics and Macroeconomics -- Stochastic Macro-Equilibrium: A Micro-foundation of Keynesian Economics -- The Business Cycle: The Role of Aggregate Demand -- Demand Saturation and Economic Growth ―― Where Keynes and...

The standard micro-founded macroeconomics starts with optimization exercises to derive the precise behavior of the representative agent, and regards the macroeconomy as a homothetic enlargement of a micro agent. This paper takes a different approach, and presents a new micro-foundation for...