The study summarises the most significant observations about trading behaviour and price dynamics in financial markets. Against this background, the main objections to a general financial transactions tax (FTT) as put forward by the International Monetary Fund and the European Commission are...

The general concept of a Securities Transaction Tax is controversial among academics and politicians. While theoretical research is quite advanced, the empirical guidance in a fragmented market context is still scarce. Possible negative effects for market liquidity and market efficiency are...

We investigate the effects of a Financial Transaction Tax (FTT) in an order-driven artificial financial market. FTTs are meant to limit short-term speculative behavior by reducing the amount of excess liquidity in the system. To quantify these effects, adjustments in trading strategies and their...