The new Global Economic Prospects update notes that global growth is expected to contract by 1.7 percent this year. This would be the first decline in world output since World War II. GDP is projected to decline by 3 percent in OECD countries and by 2 percent in other high-income economies.

The crash has laid bare many unpleasant truths about the United States. One of the most alarming, says a former chief economist of the International Monetary Fund, is that the finance industry has effectively captured our government -- a state of affairs that more typically describes emerging markets, and is at the center of many emerging-market crises. If the IMF's staff could speak freely about the U.S., it would tell us what it tells all countries in this situation: recovery will fail unless we break the financial oligarchy that is blocking essential reform. And if we are to prevent a true depression, we're running out of time.

The U.S. government plan to rid banks of toxic assets will rob American taxpayers by exposing them to too much risk and is unlikely to work as long as the economy remains weak, Nobel Prize-winning economist Joseph Stiglitz said on Tuesday.