Amos Tversky (1937-1996), a towering figure in cognitive and mathematical psychology, devoted his professional life to the study of similarity, judgment, and decision making. He had a unique ability to master the technicalities of normative ideals and then to intuit and demonstrate...

Numerous laboratory studies find that minor nuances of presentation and description change behavior in ways that are inconsistent with standard economic models. How much do these context effects matter in natural settings, when consumers make large, real decisions and have the opportunity to...

The global economic crisis of 2008-2009 seemed a crisis not just of economic performance but also of the system’s underlying political ideology and economic theory. But a second Great Depression was averted, and the radical shift to New Deal-like economic policies predicted by some never took...

The global economic crisis of 2008–2009 seemed a crisis not just of economic performance but also of the system's underlying political ideology and economic theory. But a second Great Depression was averted, and the radical shift to New Deal-like economic policies predicted by some never took...