“…Given the current‐day importance of the income inequality topic, and plethora of competing and sometimes incommensurate explanations, this paper makes a contribution by going back to the institutional economics/industrial relations (IEIR) literature of the 1920s–1930s, with primary focus on the American team of Commons, Douglas, and Slichter (CDS), and analytically represents their theory of endogenous wage stagnation, rising income inequality, and macroeconomic crisis. Their theory is distinctive because it was the first alternative to Marxist versions, complemented and incorporated business cycle ideas from other early institutionalists like Veblen and Mitchell (Davanzati and Pacella ; Sherman ), and has significant points of overlap but also key differences with modern Post‐Keynesian and Marxist theories (Goda ; Hein ).…”