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By Mohamed El-Erian and Ramin Toloui
Published: November 5 2009 22:04 | Last updated: November 5 2009 22:04
It has become fashionable to speculate on the future of the US dollar as the world's reserve currency. Amid an average 10 per cent decline in the past six months, analysts have tended to favour one of two conclusions. Some argue that, since you cannot replace something with nothing, the dollar's global role is secured. Others feel that America's medium-term prospects are now inconsistent with such a role.
As with many post-crisis issues, the reality is much more complex. This is not just because the dollar will be caught between these two extremes in the muddled middle for the foreseeable future, but also because the dollar is part of a bigger picture that concerns the evolving role of the US as the sole provider of a range of global public goods. At a time when the global system needs such anchors, this uncertainty raises a set of important policy issues.
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