Federal Reserve Chairman Ben Bernanke defended easy money policies in advanced economies against the charge they are overheating emerging markets, saying factors such as exchange rate rigidity are also to blame.
Speaking ahead of an economic summit in Paris that will include many critics of the Fed's aggressive bond buying program, Bernanke acknowledged that strong capital flows from advanced economies to emerging markets may be having negative spillover effects.
"Capital flows are once again posing some notable challenges for international macroeconomic and financial stability," he said in remarks prepared for delivery to a Banque de France event in Paris before meetings of the finance ministers and central bankers of the Group of 20 leading economies.
However, he said that although policymakers in the emerging markets clearly face challenges, such concerns should be weighed against stronger emerging market growth and steps emerging economies themselves can take.
Central bankers and finance ministers of economies that make up 85 percent of the world's economy are trying to smooth imbalances of trade and investment to ensure steadier economic growth and prevent shocks like the recent crisis.
The United States is under fire not only for ultra accommodative monetary policy, but for a gaping budget deficit that raises concern that if left unchecked, it could some day lead to default.
Bernanke's own unorthodox $600 billion bond buying initiative launched in November has stirred harsh criticism from countries around the world, and he has used international venues to defend it before.
U.S. quantitative easing measures have been attacked for driving down the value of the dollar, hurting emerging economy exports and inflating asset bubbles, and the Fed chairman can expect to hear about it from his counterparts at the summit.
Bernanke did not mention inflation concerns directly except to say that strong demand in emerging markets is contributing to global commodity price increases, something which affects the most advanced economies as well.
Gradually smoothing global imbalances of trade and investment is a top priority for G-20 officials. Officials have set themselves the goal of drawing up a list of indicators to measure imbalances, with the aim of making growth more stable and less prone to cycles of boom and bust.
In comments similar to ones he has made in the past, the Fed chairman said faster growth in emerging markets is one factor driving strong capital flows into those economies. Furthermore, emerging market policymakers have tools at their disposal — including exchange rate adjustment and monetary policy — to prevent overheating, he said.
"Countries with excessive and unsustainable trade surpluses will need to allow their exchange rates to better reflect market fundamentals and increase their efforts to substitute domestic demand for exports," he said.
The argument that greater currency flexibility is necessary to right imbalances is a recurring theme for U.S. officials who have persistently sought to pressure China to allow its yuan currency to float more freely against the dollar.
U.S. officials say that by keeping the yuan weak, the Chinese government is supporting an export-led economy that leads to its large trade surplus with the United States.
Washington wants to keep the spotlight on the yuan at the G-20.
Advanced economies are also experiencing the ill effects of strong capital flows into emerging economies in the form of higher prices, Bernanke argued.
"Spillovers can go both ways. For example, resurgent demand in emerging markets has contributed significantly to the sharp recent runup in global commodity prices," he said.
Higher prices for food and energy have raised worries about inflation around the world and are prompting many central bankers to consider tightening financial conditions even as some economic recoveries remain shaky. China and India have already raised interest rates to combat inflation, and Britain is under pressure to do the same.
Bernanke conceded the need for U.S. fiscal discipline as part of improving global balances of trade and investment. Countries with persistently high trade deficits must increase saving and put their fiscal houses in order, he said, a reference to record U.S. budget deficits.
Major economies at the G-20 were split on how to measure imbalances, with China resisting including measurement of exchange rates and currency reserves, sources said.
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