Singapore is a small but prosperous country that conducts business within the global economy, which it has no control over. To make wise investments, Singaporeans must understand the forces driving global economic developments, as these forces will ultimately determine Singapore's stock market, property market, currency value, and trade volumes. The document goes on to explain that the global economy is in crisis because too much credit has been created worldwide that cannot be repaid. It uses the analogy of the global economy being like an inflated rubber raft that is sinking due to holes created by debt defaults.