Information is a precious resource when solving decision problemsunder uncertainty. The paper deals with the estimation of the value of informationunder different rationality concepts of the decision maker. The value of informationand the expected value of (un)certain information will be...

The productivity of (human) information processing as an economicactivity is a question that is raising some interest. Using Marschak’s evaluationframework, Radner and Stiglitz have shown that, under certain conditions,the production function of this activity has increasingmarginal returns in...

Unternehmenskrisen, „überraschende“ zumal, standen am Anfang der gesetzlichen Normierung der Abschlußprüfung in Deutschland. Es entspricht daher einem legitimen Anliegen von Öffentlichkeit und Fachwelt, die herrschende Maßstäblichkeit der Qualität von Abschlußprüfungen und die...

For the Neuer Markt year 2001 is not considered as one of its best, compared to its prior performance. Investors who once piled into the Neuer Markt have now become wary of the exchange, which was launched in 1997 as Europe’s leading growth market and answer to the U.S.‘s Nasdaq Stock...

We characterize a precise comparative static on welfare and the amount of public information in an economy under uncertainty. Results dating to Hirshleifer (1971) have suggested that information can have negative value in such a setting, but counterexamples using competitive equilibrium outcomes...

The present study addresses the economic interpretation of stock market volatility. We argue that its character is inherently ambivalent, being considered as an indicator of either information flow or uncertainty.We discriminate between these views by measuring the fraction of price changes that...