But Have We Learned Enough?

Olivier Blanchard, the I.M.F.’s chief economist, was asked about the possibility of the world sinking into another Great Depression, he reassuringly replied that the chance was “nearly nil.” He added, “We’ve learned a few things in 80 years.”

From 1930 to 1933, more than 9,000 banks were shuttered, imposing losses on depositors and shareholders of about $2.5 billion. As a share of the economy, that would be the equivalent of $340 billion today. The banking panics put downward pressure on economic activity in two ways.
First, they put fear into the hearts of depositors. Many people concluded that cash in their mattresses was wiser than accounts at local banks. As they withdrew their funds, the banking system's normal lending and money creation went into reverse. The money supply collapsed, resulting in a 24 percent drop in the consumer price index from 1929 to 1933. This deflation pushed up the real burden of households' debts....
Deflation across the economy is not a problem (yet), but deflation in the housing market is the source of many of our present difficulties. With so many homeowners owing more on their mortgages than their houses are worth, default is an unfortunate but often rational choice. Widespread foreclosures, however, only perpetuate the downward spiral of housing prices, further defaults and additional losses at financial institutions.


Επιπλέον, από τον econbrowser

Some of my colleagues still talk of the possibility of a liquidity trap, in which the central bank supposedly has no power even to cause inflation. Their theory is that interest rates fall so low that when the Fed buys more T-bills, it has no effect on interest rates, and the cash the Fed creates with those T-bill purchases just sits idle in banks.

To which I say, pshaw! If the U.S. were ever to arrive at such a situation, here's what I'd recommend.
First, have the Federal Reserve buy up the entire outstanding debt of the U.S. Treasury, which it can do easily enough by just creating new dollars to pay for the Treasury securities. No need to worry about those burdens on future taxpayers now! Then buy up all the commercial paper anybody cares to issue. Bye-bye credit crunch! In fact, you might as well buy up all the equities on the Tokyo Stock Exchange. Fix that nasty trade deficit while we're at it! Print an arbitrarily large quantity of money with which you're allowed to buy whatever you like at fixed nominal prices, and the sky's the limit on what you might set out to do.