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...

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...