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Heifetz, Aviad and Meier, Martin and Schipper, Burkhard C. (February 2005): Interactive Unawareness. SFB/TR 15 Discussion Paper No. 52
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Abstract

The standard state-spaces of asymmetric information preclude non-trivial forms of unawareness (Modica and Rustichini, 1994, Dekel, Lipman and Rustichini, 1998). We introduce a generalized state-space model that allows for non-trivial unawareness among several individuals, and which satisfies strong properties of knowledge as well as all the desiderata on unawareness proposed this far in the literature.