Reputational herding has been considered as a driving force behind economic and financial forecasts clustered around consensus values. Strategic coordination can consequently explain poor performances of prediction markets as resulting from the distinct incentives that forecasters face. While...

The paper analyses on an experimental basis the phenomenon of non-optimal under-diversification in portfolio choice decisions and investigates the reasons behind it. The most important obstacles for optimal diversification are studied the correlation neglect hypothesis and the overconfidence...

Technological progress in recent years has made new methods available for making forecasts in a variety of areas. We examine the success of ex-ante stock market forecasts of three major stock market indices, i.e., the German Stock Market Index (DAX), the Dow Jones Industrial Index (DJI), and the...