July 18, 2017 / 3:09 PM / 4 months ago

After throwing in the kitchen sink, what's a central bank to do?

LONDON (Reuters) - Central banks struggling to lift historically low interest rates and rein in stimulus programs may have more on their minds than just getting back to normal -- they are, by some accounts, nowhere near ready to deal with the next recession or crisis.

The headquarters of the European Central Bank (ECB) are pictured in Frankfurt, Germany September 8, 2016. REUTERS/Ralph Orlowski/File Photo

Start with a then-and-now comparison.

When the global financial system nearly collapsed about a decade ago, the world’s major central banks launched a series of aggressive counter-measures, including trillions of dollars worth of asset-buying.

The global economics team at Bank of America-Merrill Lynch - in a report that argues central banks are not currently capable of responding to a new crisis - calculate that from 2006 to 2009 the five major central banks cut rates by an average of about 350 basis point.

Could they do that now? Short answer, no.

BofAML reckons the current average nominal policy rate is just 50 basis points, with the European Central Bank and Bank of Japan in particular at the bottom limit of what they can do.

It is not the first time this concern has been raised. The Bank for International Settlements, often called the central banks’ bank, fired a warning shot two years ago.

“In some jurisdictions, monetary policy is already testing its outer limits,” it said in its 2014/2015 annual report.

In the same vein, Stephen King, HSBC’s senior economic adviser, has noted that in all U.S. recessions since the 1970s, the benchmark Federal Reserve interest rate has fallen by a minimum of 5 percentage points. It is currently at a range of 1 percent to 1.25 percent.

Similarly, central banks have been buying up the shop since 2008, when the financial crisis hit and the Great Recession began.

Between them, the U.S., Swiss, British, Japanese and euro zone central banks have balance sheets -- essentially cash and asset holdings -- totaling roughly $15 trillion. That compares with only around $4 trillion at the start of 2008.

They could and probably would expand this in a crisis; central banks have shown great innovation in the past. But with the store of assets available to buy dwindling as a result of the $15 trillion, any expansion would have to be far broader.

Doable, but relatively untried and possibly politically difficult.

INFLATION KEY

Despite the huge monetary largesse, inflation remains low and well below target in all major industrialized economies bar Brexit-hit Britain - and even there it may be easing back because of the ebbing of base effects from sterling’s fall.

This means that central banks such as the Fed, ECB, Bank of England and Bank of Japan are all making noises of varying hawkishness without necessarily having solved their main problem.

The Fed has already started tightening and is talking about cutting its balance sheet, the Bank of England is at least thinking about raising rates, and the ECB is hinting at tapering its asset-buying. Even the Bank of Japan, or some members, have been quietly retreating from its radical monetary experiment.

Ironically, it is this desire to normalize that some economists believe is the main risk for global economic growth and for the next downturn.

“In the past, some recessions have been caused by central banks acting too aggressively,” Sarah Hewin, chief European economist at Standard Chartered Bank, said, adding that her firm did not see any sustained inflation pressures to rationalize tightening.

BofAML economists Ethan Harris and Aditya Bhave go further, saying central banks should prepare for the next recession by keep the taps open to overshoot their inflation targets, not make do with bumping up close to them.

In other words, let inflation spike, then tighten.

What then, if a downturn hits first, before normalization of monetary policy?

Innovation. The idea of “helicopter money” has already been floated, involving anything from direct transfers to the private sector to monetizing government deficits by direct bond sales between government and central bank.

Then, there is always the government itself, opening up its own purse.

“There will be greater need for a fiscal response, as monetary policy alone will not be as effective,” said Leila Butt, senior economist at Prudential Portfolio Management Group.

Central banks can’t do everything, especially when the have already been doing it for close to a decade.

Reporting by Jeremy Gaunt, editing by Larry King

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