Tag Archives: internal balance

McKinnon’s Claim that RMB-$ Appreciation Would Not Reduce Trade Imbalances

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The International Economy magazine (Winter 2013) asks 16 authorities, “Can Changes in Exchange Rate Valuations Affect Trade Imbalances?”   It is referring to the claim in a recent book by Stanford economist Ron McKinnon that pressure on China to let the renminbi appreciate against the dollar is fundamentally misconceived because such a movement in the exchange rate would not reduce China’s trade surplus nor American’s trade deficit.  This is part of an old debate that pre-dates the rise of the China trade problem.  Ron has long claimed that exchange rates don’t determine trade balances because they are “instead” determined by national saving versus investment.   I thought Paul Krugman demolished the argument pretty effectively 25 years ago, with a textbook graph of internal balance versus external balance.   But evidently many still fall for the argument (including some of the experts in the TIE symposium).   So I try again: read more

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