Mit der Finanzkrise ist auch die klassische ökonomische Theoriebildung in eine Krise geraten: In effizienten Märkten sollte es eigentlich keine Asset-Blasen und Börsencrashs geben. Als interdisziplinärer Ansatz der Wirtschaftswissenschaften und der Physik besteht der Anspruch der...

This book contains high-quality multi-disciplinary research contributions addressing theoretical and computational aspects of interaction and coordination of economic agents. It focuses on emergent phenomena and collective behavior in economic activities as well as on the development of...

High-frequency financial data are characterized by a set of ubiquitous statistical properties that prevail with surprising uniformity. While these 'stylized facts' have been well-known for decades, attempts at their behavioral explanation have remained scarce. However, recently a new branch of...

The authors study a simple model of an asset market with informed and non-informed agents. In the absence of non-informed agents, the market becomes information efficient when the number of traders with different private information is large enough. Upon introducing non-informed agents, the...