Analysts’ earnings forecasts are not perfectly correlated with actual earnings. One statistical consequence is that the most optimistic and most pessimistic forecasts are usually too optimistic and too pessimistic. The forecasts’ accuracy can be improved by shrinking them toward the mean. Insufficient appreciation of this statistical principle may partly explain the success of contrarian invest...

Today's teleteaching software restricts teaching in the way that it only supports a specific presentation application and a single platform. This is a major drawback and a reason why teleteaching is not that widespread as it could be. Therefore we have created a teleteaching environment, called TeleTeachingTool, which enables lecture recording and transmission to be done transparently to teachi...