Do the Heterodox Theories Have Something in Common? A post-Keynesian Point of View

This article presents different theoretical elements that share some heterodox ideas. This elements reside in four intricate areas: rationality of the individual, the theory of prices, the kaleckian model of growth, and the integration of the real with the monetary sector. Despite the divergences, these theoretical elements constitute a coherent set that could be improved with the aim of building a sole heterodox theory,which would serve as a real alternative to the dominant neoclassical theory.