that equilibrium would continue, too, if the dollar were to remain the only major currency that looks like a benchmark store of value to traders and monetary authorities. forex trading is as much about perceptions as fundamentals, and the dollar's value has increasingly been all out of proportion to the relative size of the us economy. but now that the euro has come into its own, the ground has shifted. central banks are slowly developing a taste for diversified reserve portfolios. it's happening already. the only question is will there be a tipping point to an ugly currency crisis, or an orderly retreat of the dollar.I_am_John_Galt said:US has a much more manageable level of debt, relative to GDP: the fact that the US dollar is used as the international medium of exchange (and Reserve Currency) suggests that the US should be running trade deficit over time to remain in equilibrium.