It has been shown that subjects tend to follow others' behavior even when the external signals are uninformative. In this paper we go one step further, showing that conformism occurs even when the choices of others are not even presented to the subjects, but just indirectly perceived. We use the...

A continuing goal of experiments is to understand risky decisions when the decisions are important. Often a decision's importance relates to the magnitude of the associated monetary stake. Khaneman and Tversky (1979) argue that risky decisions in high stakes environments can be informed using...

The purpose of this paper is to examine whether people treat all forms of uncertainty in the same way. Studies investigating known-risk gambles and ambiguous gambles have systematically used the urn context. Little systematic research has investigated differences in expressed attitude as a...

This paper experimentally tests the Fox-Tversky (1995) source preference hypothesis as axiomatized in Chew and Sagi (2008) where people may have preference between equally distributed risks depending on the underlying sources of uncertainty. We study two forms of source preference. One is based...