John Kemp: Fed unleashes greatest bubble of all

By John Kemp
Reuters
Wednesday, December 17, 2008

http://blogs.reuters.com/great-debate/2008/12/17/fed-unleashes-greatest-...

Like the sorcerer's apprentice, Federal Reserve Chairman Ben Bernanke and his predecessor Alan Greenspan have unleashed a series of ever-larger asset bubbles they cannot control.

Now the Fed's decision to cut interest rates to between zero and 0.25 percent, coupled with a promise to keep them there for an extended period, and the threat to conduct even more unconventional operations in the longer-dated Treasury market risks the biggest bubble of all, this time in U.S. government debt.

... The asymmetric experiment

Bubble mania is no accident. It is the direct consequence of the Fed's asymmetric response to shifts in asset prices. Pressed to "lean against the wind" and adopt counter-cyclical interest rate and credit policies in the asset market, senior Fed policymakers have repeatedly demurred.

Led by Bernanke and Greenspan, officials have argued it is too hard and subjective to identify bubbles until afterwards, and not the Fed’s job to second-guess asset allocation decisions of professional investors.

Even if bubbles could be identified, they argue, pricking them would require swingeing rate rises that would inflict widespread damage on the rest of the economy.

Far less damaging to allow asset markets to follow their natural cycle and stand by to cut interest rates sharply, supply liquidity and contain the fallout when the bubble bursts.

But the Fed's asymmetric policy response to rising and falling asset prices (colloquially known as the "Greenspan/Bernanke put") directly led to much of the excessive risk-taking which has humbled the financial system over the last eighteen months.

More importantly, the Fed's decision to respond to the collapse of the technology and stock market bubble by lowering rates to 1 percent and holding them there for an extended period is now widely accepted as a mistake that contributed to the bond bubble and subsequent housing market boom in the middle of the decade.

If the low-rate strategy was a mistake, it was a conscious one. In testimony to the UK Parliament last year, former Bank of England Governor Eddie George admitted the bank had deliberately sought to stimulate the housing market and house prices to support consumption during the downturn.

Greenspan, Bernanke, and Co. seem to have adopted a similar approach in the United States.

The real mistake, however, was not creating one bubble to offset the collapse of another, but believing they could control what they had wrought.

When the Fed did eventually start to raise short-term interest rates in 2004, long rates remained stubbornly low for a year, and then rose much more slowly than anticipated, a development the puzzled Fed chairman and his able assistant Dr Bernanke described as "the Great Conundrum."

Even as rates eventually rose, the alchemy of securitization ensured the real cost of credit remained far too low until the subprime bubble finally burst in late 2007.

The second mistake is a basic design flaw in the Fed's "risk-management" approach to setting monetary policy. Risk management is a nice idea, but not terribly useful. As engineer will explain, risk management involves trade-offs and is not cost-free.

The Fed has struggled to formulate a response to "low probability, high-impact" events such as the threat of deflation in the early 2000s. Its response has been to cut rates aggressively to ward off the danger of extreme downside events, a strategy officials liken to taking out an insurance policy.

That's fine, but when these low-risk events have not in fact occurred, as was never statistically likely, the resulting policy settings have proved far too loose, and the central bank much too slow to change it.

Concentrating on theoretical but small risks such as deflation has too often blinded the Fed to much larger risks near at hand of bubbles and asset inflation.

... Into the unknown

Even as officials recognize policy has played a role stimulating an endless series of bubbles, the Fed finds itself trapped with no way out. Following the collapse of much of the modern banking system, the risk of pernicious deflation is now very real -- more so than in the early 2000s.

So like the sorcerer’s apprentice, the Fed has cranked up the Great Bubble Machine for what policymakers hope will be one final time.

The Fed's "unconventional" monetary strategy comes in four parts:

1) Cutting interest rates to near-zero to lower the cost of borrowing.

2) Injecting short-term liquidity into the financial system in the form of bank reserves (quantitative easing).

3) Trying to pull down yields on longer-dated Treasury bonds through a combination of the jawbone (promising to keep short rates low for an extended period) and the threat to intervene in the market directly by buying longer-dated paper.

4) Trying to reduce credit spreads above the Treasury yield for other borrowers, and increase the quantity of credit available, by buying mortgage-backed agency bonds for its own account, and financing other market participants to buy securities backed by other consumer credits, auto loans and student loans.

Most attention has focused on the zero-rate policy and quantitative easing at the short end of the curve. But the real significance lies in the unconventional operations targeting Treasury yields and eventually credit spreads at the long end.

Operations at the short end are designed to bolster the banking system and restart lending. But the Fed knows the banking system is not large enough to replace the much more important sources of credit from securities markets.

Operations at the long end are designed to get bond finance and securitized credit flowing. Short-end interest rates and quantitative operations are significant because they help shape the whole term structure of interest rates embedded in the curve.

... One last super-bubble

The strategy has already succeeded in halving yields from over 4 percent in mid October to just 2.25 percent now.

By convincing investors interest rates will remain ultra-low for a long period, the Fed has made them willing to lend to the U.S. government for up to 10 years for what is a paltry return.

There are two risks. First, the massive rise in bond prices and compression of yields has come in the secondary market. The U.S. Treasury has not yet succeeded in placing much of its massively expanded debt and new requirements for next year at such low levels. But given the panic-driven demand for default-free assets, officials should not have too much difficulty.

The bigger one is that the Fed is misleading investors into the biggest bubble of all time. Bernanke is making what learned economists call a "time-inconsistent" promise to hold interest rates at ultra-low levels for an extended period.

The problem is that if the unconventional monetary policy works and the economy picks up, the Fed will come under pressure to "normalize" rates and reduce excess liquidity to prevent a rise in inflation. The resulting rate rises will inflict massive losses on anyone who bought bonds at today 2.25 percent rate.

Bizarrely, Bernanke and Co. are in fact inviting investors to bet the policy will fail, the economy will remain mired in slump for a long period, deflation will occur, and interest rates will remain on the floor, as Japan's have done since the 1990s.

Buyers of real estate and subprime securities have recently been lampooned for foolishly overpaying at the top of the market. Bernanke and Co. are gambling that memories will prove short and investors will prove just as eager to pay top prices for long-term government and private debt even though the downside is large.

Let us have one last bubble, and when it collapses, we promise not to do any more in the future -- honest.

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