Economists in the public are accused of propagating highly professional, but unrealistic theories that mislead market agents and policy makers to place too much confidence in rational behaviour and market equilibrium. The paper analyses to what extent the US banking crisis and the euro crisis...

We argue that a financial transaction tax complements financial market regulation. With the tax, governments have an additional instrument at hand to influence trading activity. FTT aims to reduce regulatory arbitrage, flash trading, overactive portfolio management, excessive leverage and...

Der Lehman-Pleite im Herbst 2008 gingen bereits 2007 Turbulenzen am Geldmarkt voraus. Die EZB hat darauf und auf die immer wiederkehrende Panik an den Finanzmärkten besonnen reagiert. Allerdings wird es schwieriger, die Entwicklungen einzuschätzen, denn das Verhalten der Finanzmärkte lässt...