Currency manipulation, the practice of countries acting to weaken the values of their currencies in order to boost their trade surpluses, remains near its lowest level since 2002. In 2019, the latest year for which nearly complete data exist, only Iceland, Singapore, Switzerland, and Thailand met the criteria for manipulation put forth by C. Fred Bergsten and Joseph E. Gagnon in 2017. Together, these countries purchased billion in net official assets, considerably less than total purchases during the peak years of manipulation in 2003–13, which sometimes reached trillion per year. What defines a currency manipulator? According to Bergsten and Gagnon, a country must meet all of the following criteria to be considered a currency manipulator in a given calendar year: the current
Christopher G. Collins, Joseph E. Gagnon considers the following as important:
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Currency manipulation, the practice of countries acting to weaken the values of their currencies in order to boost their trade surpluses, remains near its lowest level since 2002. In 2019, the latest year for which nearly complete data exist, only Iceland, Singapore, Switzerland, and Thailand met the criteria for manipulation put forth by C. Fred Bergsten and Joseph E. Gagnon in 2017. Together, these countries purchased $83 billion in net official assets, considerably less than total purchases during the peak years of manipulation in 2003–13, which sometimes reached $1 trillion per year.
What defines a currency manipulator?
According to Bergsten and Gagnon, a country must meet all of the following criteria to be considered a currency manipulator in a given calendar year:
- the current account surplus exceeds 3 percent of GDP;
- net acquisitions of official foreign-currency assets (net official flows) exceed 2 percent of GDP;
- foreign exchange reserves and other net official assets exceed three months of imports of goods and services;
- foreign exchange reserves and other net official assets exceed 100 percent of short-term external debt, public and private;
- net official flows exceed 65 percent of energy exports minus production cost; and
- the country is classified as a high-income or upper-middle-income country by the World Bank.
The US Treasury employs a somewhat different set of criteria to identify manipulators in its semiannual report to Congress on the Macroeconomic and Foreign Exchange Policies of Major Trading Partners of the United States. As we noted last year, the Treasury's analysis has improved in recent years, but major flaws remain including (i) too narrow a focus on the US's major trading partners, (ii) an inappropriate focus on bilateral trade balances, and (iii) the exclusion of official foreign currency purchases not classified as reserves.
This blog post applies the Bergsten-Gagnon criteria to updated and revised data for 168 countries from 2000 to 2019. Over this period, 20 countries met the criteria in at least one year.1
The figure below shows the sum of net official flows for these countries from 2000 to 2019 in billions of US dollars. We include all purchases of these countries, even in years in which they did not meet all the criteria, because most of them have no need for additional official foreign assets even when their purchases or their trade surpluses were not in excess of the criteria. For example, China purchased over $500 billion in official foreign-currency assets in 2013, but its current account was only 1.5 percent of GDP in that year, below the 3 percent criterion.
China was the largest manipulator during the peak years of currency manipulation, but it has made only negligible net purchases since 2015. Indeed, China was a large net seller of foreign assets in 2015 and 2016 when there was downward pressure on its currency. Aside from that episode, it is striking how consistently these countries as a group are always net buyers of official foreign assets and never net sellers.
Currency manipulation in recent years
As illustrated in the figure, total currency manipulation in recent years was considerably less than it was from 2003 to 2013—the period Bergsten and Gagnon deemed the "decade of manipulation." The table below lists all countries that met the criteria in the last three years. The first column displays the number of years in 2017–19 that a country met all the criteria. The remaining columns display the net official asset stocks, net official flows (purchases), and average current account balances of these countries.2
Note: This table lists countries that exceeded all criteria for currency manipulation in at least one year from 2017 through 2019. Differences in data for 2017 and 2018 compared with our June 6, 2019 post reflect revised data and new sources for official purchases.
Sources: International Monetary Fund, World Bank, Sovereign Wealth Fund Institute, national sources via Macrobond, and authors’ calculations. Taiwan net forward positions are estimates from Brad Setser and S.T.W. at the Council on Foreign Relations.
Countries are sorted into three broad groups—financial centers, manufacturing exporters, and resource exporters—and ranked within each group by number of years of manipulation first and net official assets second.
In addition to the four countries that met the criteria in 2019, Bulgaria, Hong Kong, Macao, and Norway met the criteria in 2017 or 2018 (or both).3 Iceland is a new entrant to the list, but it exceeded the net official purchases criterion by only a small amount.
The financial centers are the most consistent manipulators, with the same four countries showing up here as found by Bergsten and Gagnon. Singapore had the largest dollar volume of official flows of all countries in 2017 and 2019.
Of the eight manufacturing exporters identified by Bergsten and Gagnon, only two manipulated their currencies in the past three years, Taiwan and Thailand. These countries have been as consistent in their manipulation as the financial centers, and Taiwan had the largest net purchases of all countries in 2018.4
Of the eight resource exporters identified by Bergsten and Gagnon, only Norway remains, and for only one year: 2018.5 Low oil prices in recent years have greatly reduced excessive purchases of foreign assets by resource exporters. A new entrant, Iceland, is placed in this group because of its significant exports of fish and aluminum. Its official purchases have not been consistent over time, moving from negative in 2017 to near zero in 2018 and modestly above the cutoff in 2019.
The pandemic has sparked large appreciations of reserve currencies
In a previous post, we showed that the COVID-19 pandemic had sparked large appreciations of reserve currencies and other safe-haven currencies against the currencies of many developing economies and commodity exporters. We urged officials in countries experiencing appreciations not to intervene against the currencies of other appreciating currencies but instead to support the weaker currencies to the extent that such support is mutually agreed.
We noted that there were initial signs this spring that Switzerland may have intervened heavily to hold down the Swiss franc. The Swiss National Bank later published data showing that it purchased large quantities of US dollars, euros, and other reserve currencies in March, April, and May, with negligible purchases of weaker currencies. Countries with large trade surpluses should not be deflecting currency appreciations onto countries with trade deficits and currencies that are already strong. In addition to helping countries with excessive currency weakness, Switzerland should be making greater use of fiscal policy and domestic monetary expansion, as described in this Policy Brief.
2. The current account balance is the broadest measure of the trade balance.
3. With newly available data, Libya also exceeded the criteria in recent and earlier years. However, the civil war has drastically reduced Libya's GDP and raised governance issues concerning alternative uses of the oil revenues. For these reasons, we choose not to list Libya as a currency manipulator in recent years, though it was a manipulator before the civil war and is included in the figure.
4. Our new dataset includes information on the net forward position and local foreign-currency bank deposits of the central bank of Taiwan, which are not included in published foreign exchange reserves. There was a large increase in the net forward position in 2018 that was partly reversed in 2019.
5. In June 2019 we identified Norway as a manipulator in both 2017 and 2018, but revised data on oil production costs showed that Norway's official flows did not exceed 65 percent of oil exports net of cost in 2017.