Some say the recession train has already left the station

With more economists now *guessing* that we're in the beginning stages of a recession, the new questions are 'how deep will it be and long will it last?' and 'what impact can the federal government have?'

Such answers are much more complex today than in the past, according to a story running in Sunday's New York Times:

Huge and complex, the American economy has in recent years been aided by a global web of finance so elaborate that no one seems capable of fully comprehending it. That makes it all but impossible to predict how much the economy can be expected to fall before it stabilizes...

The measures now being debated in Washington and on the campaign trail — tax rebates, added help for the unemployed and those facing sharply higher heating bills and, most immediately, a move by the Federal Reserve to further cut interest rates — could certainly moderate the severity of a downturn. Democrats and the Bush administration are considering a package of such measures that could reach $100 billion.

But the forces menacing the economy, like the unraveling of the real estate market and high oil prices, are too entrenched to be swiftly dispatched by government largess or cheaper credit, some economists say.

“The question is not whether we will have a recession, but how deep and prolonged it will be,” said David Rosenberg, the chief North American economist at Merrill Lynch. “Even if the Fed’s moves are going to work, it will not show up until the later part of 2008 or 2009.”

In the view of many analysts, the economy is now in a downward spiral, with each piece of negative news setting off the next. Falling housing prices have eroded the ability of homeowners to borrow against their property, threatening their ability to spend freely. Concerns about tightening consumer spending have prompted businesses to slow hiring, limiting wage increases and in turn applying the brakes anew to consumer spending...

Some economists think the consequences of easy credit will spill far beyond the mortgage market:

“There is still a long way to go,” said Nouriel Roubini, an economist at the Stern School of Business at New York University and chairman of the research firm RGE Monitor.

Mr. Roubini has long predicted the real estate downturn would cause a severe recession. He envisions foreclosures accelerating this year, and banks counting fresh losses. That could make them less able to lend and further slow economic activity, not just in the United States but around the world.

“We’re facing the risk of a systemic financial crisis,” Mr. Roubini said. “It’s not just subprime mortgages. The same kind of reckless lending has been occurring throughout the financial system. And it’s not only mortgages: Now it’s credit cards and auto loans, where we see problems increasing. The toxic junk is popping up everywhere.”

And what about Bernanke's hint of lowering short-term rates?

Wall Street has clamored for the Fed to keep lowering rates, cognizant that cheaper credit is generally good not just for encouraging borrowing and spending but also for corporate profits.

But some economists fear that lower rates will simply provide a short-lived boost at the expense of the economy’s longer-term health: Cheap money encourages foolish investments, they say, which is precisely how Americans came to experience the evaporation of wealth in the Internet era, followed by housing prices rising beyond any reasonable connection to incomes.

“This appears to be a panic on the part of the Fed,” said Michael T. Darda, chief economist at MKM Partners, a research and trading firm. “The housing bubble was a reaction from the effort to protect us from the collapse of the tech bubble. What’s the next bubble going to be as a consequence of trying to protect us against this?”

In other words, getting economists to agree on anything is a lot like herding cats. That's why it's called the 'dismal science' (no reflection intended on cats, of course).