Financial Instability The soaring volume of international finance and increased interdependence in recent decades has increased concerns about volatility and threats of a financial crisis. This has led many to investigate and analyze the origins, transmission, effects and policies aimed to impede financial instability. This paper argues that financial liberalization and speculation are the most reflective explanations for instability in financial markets and that financial instability is likely to be transmitted globally with far reaching implications on real sector performance. I conclude the paper with the argument that a global transaction tax would be the most effective policy to curb