K™z™ Uno is widely recognized as one of the most important Marxist economists of the 20th century, and yet most of his work remains untranslated and thus unavailable to the Anglo-Saxon world. This English language edition of his influential Keizai-Seisakuron introduces UnoÕs argument for a mid-range theory of capitalismÕs developmental stages—one that exists between pure theory and full empiricism.