Economist Frank H. Knight (1885--1972) is commonly credited with defining the distinction between decisions under ``risk'' (known chance) and decisions under ``uncertainty'' (unmeasurable probability) in his 1921 book Risk, Uncertainty and Profit. A closer reading of Knight (1921) reveals a host...

It has been proposed that recognition can form the basis of simple but ecologically rational decision strategies (Gigerenzer \& Goldstein, 1996). Borges, Goldstein, Ortmann, \& Gigerenzer (1999) found that constructing share portfolios based on simple name recognition alone often yielded better...