On the relevance of Knight, Keynes and Shackle for unawareness research

Abstract This paper is dedicated to the interpretation of Knightian and Keynesian uncertainty as a situation unawareness in which agents lack perfect knowledge possible future states (not just probabilities assigned those states). So far, systematic nuanced debate with relation Knight’s Keynes’ legacy has been largely neglected. The aims fill this gap. It discusses detail how Knight’s, also Shackle’s ideas about state space, surprises ignorance are echoed (but often unacknowledged) contemporary research. Parallel reading these two streams literature reveals strong commonalities argumentation, suggesting that topic could facilitate dialogue between Post-Keynesians mainstream economics. concludes list research questions relevant development such dialogue.