China's Awkward Exchange Rate Regime: an Update

As 2016 draws to a close, it’s natural to look back over the year’s posts. With all the swirling concerns about China-U.S. relations—including the selection of the protectionist co-author of Death by China to head a new White House National Trade Council—we wondered whether our February doubts about China’s exchange rate regime remain intact.

The answer is yes, but for reasons radically inconsistent with President-elect Trump’s promise to declare China a currency manipulator on his first day in office. Like any country with a fixed exchange rate, China’s central bank intervenes actively to maintain its (evolving) currency target. But, for the past two years, the People’s Bank has been intervening to prevent (or at least to slow), rather than promote, the depreciation of its currency versus the dollar. That is, the RMB remains overvalued compared to what it would be in the absence of official intervention.

And, despite secretive instincts of China's authorities, the evidence is there for all to see....

Rewriting the textbook: covered interest parity

For decades, textbooks on international economics and finance built a part of their scaffolding on the foundation of a relationship called covered interest parity (CIP). CIP postulates that, in a world of free capital flows, currency-hedged returns on equivalent-risk assets will equalize across countries. For example, the return to investing in a 1-year U.S. Treasury bill will equal the return to purchasing euros, investing the proceeds in a 1-year German Government liability, and purchasing a contract guaranteeing the future euro/dollar exchange rate at which the euros will be converted back to dollars a year later. In practice, the CIP relationship was such a reliable feature of international fixed-income markets that for decades one could think of banks operating a nearly costless CIP machine to perform what many viewed as a riskless arbitrage.

Then, one day, the CIP machine broke down. It first stopped working in the Great Financial Crisis (GFC) of 2007-2009, when counterparty and liquidity risks both skyrocketed, raising the possibility of defaults and losses in executing the trades necessary. That is, CIP was not a riskless arbitrage.

As a wave of recent research highlights, the conventional, pre-crisis model of the CIP machine remains impaired even as the counterparty and liquidity risks that characterized the GFC have receded....

China's Awkward Exchange Rate Regime

A recent op-ed in a major Chinese English-language newspaper, The People’s Daily, asserts that George Soros “has declared ‘war’ on China, claiming he had sold short Asian currencies.” For those who observed firms like those of Mr. Soros profiting from the collapse of the British pound in 1992, a speculative attack on China’s currency, the RMB, merits close attention.

There are surely parallels to that earlier episode where Soros' firm is reputed to have made $1 billion in a couple of days. Yet, it would be difficult to overlook the enormous differences. Perhaps most important, the United Kingdom was committed to maintaining the free flow of capital across its borders. This is in stark contrast to China, where policymakers have been tightening capital controls in recent months....

Is China's devaluation a game changer?

Since 1978, China has engaged in an unprecedented and wildly successful experiment, moving gradually from a command economy to one based on markets; in small steps transforming a system where administrators controlled the goods that were produced to one where prices allocate resources. There were surely miscalculations along the way. But, even big blunders could largely be concealed. Until now!

What has changed in recent months? The day has come for China to become more closely integrated into the global financial system, and this has a number of implications. The most important is that as prices and quantities of financial assets (rather than goods) are determined in markets, bureaucrats lose a great deal of control. But, as recent events very clearly demonstrate, Chinese authorities are reluctant to let go....

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