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...

We study the effect of transaction costs (e.g., a trading fee or a transaction tax, like the Tobin tax)on the aggregation of private information in financial markets. We analyze a financial market à la Glosten and Milgrom, in which informed and uninformed traders trade in sequence with a market...

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...