At the end of the G-20 summit, which limped to its dispiriting conclusion Friday in Seoul, where world leaders managed only to delay dealing with difficult challenges from global imbalances to trade protectionism, South Korean President Lee Myung-bak proclaimed a "temporary end" to the so-called currency wars that have reached a fever pitch over the last two months as countries have manipulated their exchange rates to gain an edge in world markets. The currency wars are far from over.
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For years, Washington and Beijing clashed over the value of the renminbi, China's currency, with the U.S. Congress repeatedly threatening tariffs to retaliate against Beijing's currency mercantilism. This policy of containment was not perfect, but it did secure at least token cooperation from the Chinese -- who in 2005 revalued by 2 percent -- while keeping Washington's trade threats from translating into actual barriers.
That was before the collapse of Lehman Brothers and the subsequent financial conflagration that swept the world in the fall of 2008. In the post-crisis world of lackluster global demand, the terrain is harsher. The world economic pie is not growing fast enough, and contests over the slices are increasingly vicious. They are exacerbated by sheer hubris: Emerging powers, especially China, are not satisfied with relative gains, but hunger for absolute ones. Their zero-sum policies threaten the postwar, U.S.-built, win-win, global economic order that propelled the very ascent of backward developing countries into booming emerging markets.
The only plausible means to alleviate the global acrimony is robust and more balanced economic growth. For all the talk of "global decoupling," the fates of countries remain tied to one other, and the fortunes of emerging markets continue fluctuating with demand in the United States, the world's largest importer. Complaints from countries like Brazil, China, and Germany about the U.S. Federal Reserve's "quantitative easing" moves, which by default devalue the dollar, attest to these interdependences.
The U.S. economy is the only white knight in the world economy because consumer-led growth in emerging markets is still distant -- China and India are bound to produce some 500 million new middle-class consumers, but not until 2030 -- while it is unattainable in aging Europe and Japan. The grand paradox of the hour is that while other countries criticize the United States for its fiscal deficits or expansive monetary policies, they would doubtless also bark at American austerity. Berlin and Beijing have taken a convenient shortcut, preaching to Washington while doing precious little to spur global demand and address their own contributions to global imbalances.
Washington is condemned if it does and if it doesn't. The best and most plausible way out for the United States is an ironclad plan for fiscal solvency, tax incentives, and passage of pending trade deals, all of which will instill confidence in American businesses to start investing and hiring. That will take time, however, and patience is in short supply.
Another option to defuse the currency wars would be to address the symptom instead of the cause and change the global currency regime altogether. World Bank President Robert Zoellick backhandedly hinted at the possibility of reviving the gold standard in his recent Financial Times op-ed. But any fundamental change would be a long shot even in the long run. It is also a risky proposition. No other currency enjoys the economic prowess and liquid financial markets that underpin the U.S. dollar. Fixing currencies to gold could also prove destabilizing if any major country failed to maintain domestic monetary and financial stability. The likeliest outcome is a gradual movement to a co-currency world, with a global dollar coupled with a regionally predominant euro in Europe and, down the road, the Chinese renminbi in Asia.
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