Tom Palley provides a very clear and insightful description of the post-Keynesian school of economics by tracing back its connections to the different historical schools of thought.

In this video, the most famed biographer of John Maynard Keynes, Robert Skidelsky, explores the foundations of Keynesian economics

John Harvey's accessible book provides a non-technical yet rigorous introduction to various schools of thought in economics. Premised on the idea that economic thinking has been stunted by the almost complete rejection of anything outside the mainstream, the author hopes that this volume will open readers' minds and lead them in new and productive directions.

Mainstream economic theory has been increasingly questioned following the recent global financial crisis. Marc Lavoie shows how post-Keynesian theory can function as a coherent substitute by focusing on realistic assumptions and integrating the financial and real sides of the economy.