In accounting for the phenomenon of present bias, the hyperbolic discounting and quasi-hyperbolic discounting models have distinct predictions beyond today. We provide experimental evidence supporting diminishing rate of discounting beyond present period under careful experimental controls. In...

This paper investigates attitude towards partial ambiguity. In a laboratory setting, we study three symmetric variants of the ambiguous urn in Ellsberg's 2-urn paradox by varying the possible compositions of red and black cards in a 100-card deck. Subjects value betting on a deck with a smaller...

Two distinct interpretations of ambiguity attitudes have been proposed, namely, weighting the multiple priors pessimistically and exhibiting preference over different sources of uncertainty. This study examines the links among attitudes towards three sources of uncertainty including ambiguity...

We extend Ellsberg's two-urn paradox and propose three symmetric forms of partial ambiguity by limiting the possible compositions in a deck of 100 red and black cards in three ways. Interval ambiguity involves a symmetric range of 50-n to 50 n red cards. Complementarily, disjoint ambiguity...

In the studies of decision making under risk and time, an increasingly important question is whether the utility representations should be the same for both circumstances. This study aims to test the separation between risk preference and time preference in a controlled laboratory setting, where...