This paper intends to explain how was a supporter of Keynes like Don Patinkin led to integrate the Pigou effect, the arch anti-Keynesian effect, in his theory of involuntary unemployment. The reading of Patinkin's unpublished PhD thesis and the use of the Don Patinkin Papers from Duke...

This paper explains the reasons that led Don Patinkin to interpret the Keynesian theory in a disequilibrium perspective. We claim that the author adopted this position because he believed that the assumption of wage rigidity misrepresented the concept of involuntary unemployment and that,...