This paper presents an overview of different models which explain financial crises, with the aim of understanding economic developments during and possibly after the Great Recession. In the first part approaches based on efficient markets and rational expectations hypotheses are analyzed, which...

The terror-attack hit the western world in a situation of a sharp cyclical downturn in the USA, Europe and Japan. Mainly because of increased uncertainty the downturn will be intensified by the attack. Immediately after the attack US monetary and fiscal policy became even more expansive. In...