As the world's financial markets began to turn down, many leading economists spoke to the BBC about the credit crisis and what it means for global finance.
James K Galbraith talks about his father's interpretation of events leading to what is considered the anniversary of the Wall Street Crash of 1929.
Nobel prize-winning economist Paul Krugman gave his take on the situation - and explained how bad things are likely to get:
Director General of the World Trade Organisation, Pascal Lamy, predicts the effect the ongoing crisis will have on trade - the engine of the global economy:
Gillian Tett, Asia expert for London's Financial Times, says governments are being urged to learn the lessons of the Japanese economic collapse in the 1990s:
Business correspondent Alex Ritson explains the key role that Credit Default Swaps have had in generating financial panic:
Africa editor Martin Plaut looked at the how the world's poorest continent, Africa, will be affected by the global financial crisis:
Professor Alec Chrystal looks at how the stock market functions - and why we need it:
And Michael Blastland, author of the book The Tiger That Isn't: Seeing A World Of Numbers, explains how bubbles are made - and why we are always doomed to see them burst:
And you can read the latest thoughts of the BBC's business editor Robert Peston on his blog here: