We use the introduction of a financial transaction tax (FTT) in France in 2012 to test competing theories on its impact. We find no support for the idea that an FTT improves market quality by affecting the composition of trading volume. Instead, our results are in line with the hypothesis that a...

In this paper, we present the root cause of the American financial crisis in 2007. We show that financial integration and capital flow volatility is the factor that creates a climate conducive to the emergence of the crisis in the USA and led to its spread to the rest of the world. On the...

We develop a model of rational bubbles based on leverage and the assumption of an imprecisely known maximum market size. In a bubble, traders push the asset price above its fundamental value in a dynamic way, driven by rational expectations about future price developments. At a previously...

Die Forderungen von Globalisierungskritikern nach einem radikalen Umbau der internationalen Finanzmarktordnung sind von den wirtschaftspolitischen Entscheidungsträgern aus guten Gründen abgelehnt worden. Vorzuwerfen ist den Entscheidungsträgern allerdings, dass auch ökonomisch sinnvolle...