This book provides fresh insights on Piero Sraffa's work, by examining previously unpublished papers from Sraffa archives. It offers new perspectives on the connection between Sraffa amd Marx, and examines Sraffa's approach to money, the role of equilibrium and of the surplus in economic theory.

Rosa Luxemburg, Oskar Lange and Micha? Kalecki made important contributions to twentieth century political economy that guided the thinking of their student Tadeusz Kowalik. The chapters of this volume examine how the ideas of Luxemburg, Lange, Kalecki and Kowalik can illuminate our understanding of the crisis in twenty-first century capitalism.

Rosa Luxemburg, Oskar Lange and Michal Kalecki made important contributions to twentieth century political economy that guided the thinking of their student Tadeusz Kowalik. These contributions are re-examined by renowned economists, highlighting the common themes in their political economy and the neglected aspects of their work.