The exponential utility function for money has long attracted attention from theorists because it exhibits nonincreasing absolute risk aversion. Also, under certain conditions, it generates an expected utility function that is maximizable in a quadratic program. However, this functional form...

The notion of price efficiency is discussed in the context of an optimal information market. Approaches for assessing price or market efficiency are examined, including temporal, spatial, and form-transformation paradigms. The interdependent nature of these paradigms is stressed. Finally, a...