Time to face the consequences of central banks' intervention

The world's central banks have spent the past several years propping up the global economy and rescuing the world from crisis. Now, the head of the International Monetary Fund says it is time to grapple with the consequences.

The world's central banks have spent the past several years propping up the global economy and rescuing the world from crisis. Now, the head of the International Monetary Fund says it is time to grapple with the consequences.

The Federal Reserve, European Central Bank, Bank of Japan and other central banks have used a range of tools to try to spur growth and fight crises in their nations; the Fed, for example, is on track to soon own about $US4 trillion in assets, up from the $US800 billion ($885 billion) it held before the crisis.

Christine Lagarde, managing director of the IMF, has been broadly supportive of these efforts, and she stresses that they should be unwound only as economic conditions improve.

But in a speech to leading central bankers and economists at an annual economic symposium in Jackson Hole, Wyoming, she urged more reckoning with some of the less pleasant side effects for global finance, particularly the risk of bubbles and instability.

It was important "to communicate the risks on both sides of the equation - the risks to recovery from exiting too soon, and the risks to financial stability from exiting too late," she said.

In the past couple of months, there have been signs that the unwinding of the extraordinary interventions will be a bumpy ride. In the US interest rates have risen dramatically since June as the Fed has signalled it will soon slow the pace of its bond purchases. That prospect has also sparked a selloff in the Indian rupee, and many other emerging nations' bonds.

The gush of money injected into the financial system may well be a cause of the instability, with the big swings in currency and bond markets a reflection of "hot money" sloshing around the globe.

Ms Lagarde floated the idea that nations may need to intervene in foreign exchange markets to help moderate this volatility, that restrictions on the flow of capital can be useful "in some circumstances".

It is the latest example of the IMF, long an advocate of the free global flow of capital and flexible exchange rates, taking a more open-minded view towards policies aimed at reducing the hot-and-cold nature of modern financial markets.

Ms Lagarde expressed a fear that, while the interventions of central banks gave other policymakers the time to make deeper reforms in how their economies work, those officials haven't done enough to use the time.

"I do worry that all the hard work of central banks will be wasted if not enough is done on other fronts - to adopt the admittedly more difficult policies needed for balanced, durable and inclusive growth ... [Unconventional monetary policy] is providing the space for more reforms."

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