This paper examines the information content of the forward-looking statements in the Management Discussion and Analysis section (MD&A) of 10-K and 10-Q filings using a Naive Bayesian machine learning algorithm. I find that firms with better current performance, lower accruals, smaller size,...

Positionierungs- und Repositionierungsentscheidungen im Rahmen der Markenführung -- Theoretische Grundlagen und aktueller Stand der Forschung -- Konzeption und Anwendung des agentenbasierten Modells im Festnetztelefonmarkt -- Schlussbetrachtung.

Society heavily depends on infrastructure systems, such as road-traffic networks, water networks, electricity networks, etc. Infrastructure systems are hereby considered to be large-scale, networked systems, that almost everybody uses on a daily basis, and that are so vital that their incapacity...

Because an economy is a complex system, economists encounter a gap between theory and application. To do justice to the complexity of the economy, more and more comprehensive models were built. This development was not justified by its results: more comprehensiveness did not lead to better...