Morris (1996, 1997) introduced preference-based definitions of knowledge of belief in standard state-space structures. This paper extends this preference-based approach to unawareness structures (Heifetz, Meier, and Schipper, 2006, 2008). By defining unawareness and knowledge in terms of...

The substantial aim of this paper is to integrate the main idea of 'Pygmalion' or self-fulfilling prophecy research (Rosenthal and Jacobson, 1968; Jussim and Harber, 2005) into the general subjective expected utility framework about inequality in educational opportunities (Breen and Goldthorpe, 1997;...

There exists no satisfactory theory of risk in current normative decision theories. Notions based on utility curvature, loss aversion and probability weighting are derivative, cannot be applied to non-numerical consequences, and are not psychologically intuitive. I develop a Pure Risk theory...