Individuals often have only incompletely known preferences when choosing between pair-wise gambles. Particular presentations of the choice problem may then passively encourage the use of some choice method to clarify the preference. Different presentational displays can then lead to choice...

Asset market bubbles and crashes are a major source of economic instability and inefficiency. Sometimes ascribed to animal spirits or irrational exuberance, their source remains imperfectly understood. Experimental methods can isolate systematic deviations from an asset's fundamental value in a...