The Troika appears confident of its capacity to contain a financial crisis, but if markets turn on them, contagion may become uncontainable, as the U.S. financial crisis proved.

FORBES: Move up http://i.forbesimg.com t Move down

And if the financial crisis taught us anything, it is that contagion is endemic to the global market system.

WSJ: Why Zombies Are Everywhere

The moves by the U.S. Federal Reserve, the European Central Bank, the Bank of Japan and other central banks of the world serve notice that they are in unison on making sure the European Union debt crisis does not spread into a worldwide financial contagion.

FORBES: Comex Gold Gets Boost From Coordinated Central Bank Move to Boost Liquidity

This crisis has shown that G7 countries are not immune to financial contagion.

CNN: ASIANOW - TIME Asia

American investors need to be aware that problems in the Eurozone will lead to global financial contagion, a worldwide recession and a possible repeat of a crisis like the one that followed the 2008 Lehman bankruptcy.

FORBES: Euro Crisis Will Only Get Worse And Do Serious Damage To Investors

You forget that the two main emerging countries that targeted inflation during the 1990s Chile and Israel successfully withstood a major test in 1997-99, in the form of exchange-rate depreciation caused by financial contagion and terms-of-trade deterioration in the wake of the Asian crisis.

ECONOMIST: Letters

The EU debt and financial crisis is moving closer to one that could become very serious or at some point even a worldwide debt contagion.

FORBES: By Jim Wyckoff Of Kitco News

And we need to understand what went wrong in this crisis, that the very financial instruments that were designed to diversify risk across the banking system instead spread contagion across the globe.

BBC: In full: Brown's speech to Congress