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The Internationalization of National Currencies :: March 27, 2007 :: Federal Reserve Bank of Cleveland
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Home > For the Public > News and Media > Speeches > 2007 > The Internationalization of National
Currencies

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The Internationalization of
National Currencies

Additional Information
Sandra Pianalto

I must confess that when Governor Tuma suggested I speak on this
panel, I was a little hesitant because of the exchange-rate issues that
could arise. In the United States, our Treasury Department takes the
lead on exchange-rate policy. The Federal Reserve is responsible for
achieving price stability and promoting maximum sustainable
economic growth. So my remarks today will not be a commentary on
exchange-rate policies. Instead, I will focus on international reserve
currencies. Specifically, I will discuss the characteristics of
international reserve currencies and the benefits that a country - or
a region such as the Eurozone - can enjoy if its currency fulfills that
role. I will conclude with comments on why global currency
competition provides an incentive for central banks to pursue and
preserve price stability.

President and CEO,
Federal Reserve Bank of Cleveland
Comenius European Banking and
Financial Forum
Czech National Bank - Praque, Czech
Republic
March 27, 2007

My remarks today are my own and do not necessarily reflect the
views of any of my colleagues in the Federal Reserve System.

Recent Changes in Official Reserve Currencies
I would like to begin by sharing a few statistics that will help convey
a sense of recent changes in official reserve currencies. Although my
comments pertain to official reserves - that is, assets held by central
banks, such as foreign government securities - many of my points can
be applied more broadly to private uses.
Since the early 1990s, the world has witnessed a pronounced increase
in the accumulation of foreign-exchange holdings. Almost all of this
increase has been concentrated among developing countries. Foreignexchange reserves have more than doubled as a share of developing
countries' international trade in the past 15 years and, moreover, the
composition of these reserves has changed1

We have only limited information on the currency composition of
those reserves, but the data and anecdotal evidence indicate that
developing countries are adding euros to their portfolios faster than
they are adding dollars. At the end of 2001, developing countries held
70 percent of their foreign-exchange reserves in dollar-denominated
assets, but by 2006, this share had fallen to 60 percent. Valuation
adjustments stemming from the dollar's depreciation since 2001
account for some of the decline in the dollar share, but not all of it.
The evidence suggests that the share of euros held in countries'
reserve portfolios has increased. This appears to be consistent with
the widening of the European Union and the prospective growth of
the euro area. The euro now accounts for slightly less than 30

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The Internationalization of National Currencies :: March 27, 2007 :: Federal Reserve Bank of Cleveland
percent of developing countries' portfolios, and it is the second-most
widely used international reserve currency. The British pound and
Japanese yen remain well behind.

The Characteristics of International Reserve
Currencies
With this background in mind, let me turn to the general
characteristics that define international reserve currencies.
For any currency to serve as an international reserve currency, three
features seem especially important: First, the currency must be
widely used in international transactions. Second, it has to be linked
to deep and open financial markets. Finally, people need to have
confidence that the purchasing power of that currency will remain
fairly stable2

It is easy to understand why countries with a large share of global
trade, or with large and active financial markets, would be more
likely to have their currency adopted as a global reserve asset. The
larger a particular nation's role is in international trade, the more
cost-effective it will be for other countries to settle their
international payments in that nation's currency.
These benefits are reinforced when funds expressed in the currency
can be moved efficiently from savers to businesses and
entrepreneurs. This will happen when financial markets are safe,
trading volumes are high, and capital controls are kept to a
minimum.
A country will find its markets attractive destinations for global
financial activity when its rules promote transparency and adequate
risk management. Those rules should seek to achieve the goals of
safety and soundness in the most efficient way. Thus, a wellfunctioning regulatory and supervisory environment is especially
important in promoting the use of a nation's currency in international
transactions.
Once a currency is widely used for official and private transactions
around the globe, and once it is widely held as a reserve currency,
its use is likely to continue. However, that situation can change. If a
monetary authority fails to sustain confidence in the future value of
its currency, participants in the global market will eventually find
substitutes for the currency. One of the consequences of globalization
is that substitutes do exist for any currency if policymakers allow its
purchasing power to deteriorate.

The Benefits of Providing a Reserve Currency
Let me briefly describe some of the benefits of providing an
international reserve currency.
The United States benefits from the fact that the largest share of
world currency reserves are held in dollar-denominated assets.
Among these benefits is our ability to borrow from the rest of the
world at a low interest rate. Between 1980 and 2005, for example,
the income paid to foreigners who owned U.S. assets was 4.9 percent
on average. However, the income paid to Americans who owned
foreign assets was 6.3 percent. In other words, the United States
effectively borrowed at a discount of 1 / percent.
Some people have argued that this spread partly reflects the fact

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The Internationalization of National Currencies :: March 27, 2007 :: Federal Reserve Bank of Cleveland
that the United States tends to borrow from the rest of the world in
the form of safe, relatively short-term government debt, and much
of U.S. lending to the rest of the world is in the form of foreign
direct investment or riskier, long-term debt. While there is truth to
this claim, I think that most people would agree that at least part of
the difference in returns on investment reflects a willingness by
foreigners to pay a liquidity premium to hold assets denominated in
U.S. dollars.
Another benefit of providing a reserve currency is more subtle. The
convenience of having others adopt your currency almost certainly
benefits your own citizens. When the world uses your currency, there
are no intermediate steps between you and your trading partners
when you trade on global markets. This makes life easier for
domestic businesses and consumers. It also may make it desirable for
others to utilize the financial markets and institutions of the reservecurrency country. As a result, those markets gain added breadth and
depth.
These benefits make it desirable for the world to choose your
currency as an international reserve asset. Nations, then, will find it
desirable to pursue policies that make that outcome more likely.

Currency Competition
The willingness of individuals and governments to hold a particular
international currency depends on how they view the stability of that
currency's long-run purchasing power. A potential loss of purchasing
power can erode the economic benefits associated with using any
particular currency for international trade. When viable alternatives
exist, individuals and governments will gravitate toward the currency
with the most stable purchasing power.
In a Federal Reserve Bank of Cleveland report, we took note of the
fact that, in the current global environment, the market share of any
international currency is "contestable," or subject to challenge3. As a
result, substitutes are readily available for any currency that is losing
its value too rapidly.
In a similar manner, Federal Reserve Governor Randall Kroszner
recently argued that "globalization, deregulation, and financial
innovation.have fostered currency competition that has led to
improved central bank performance and, hence, the recent conquest
of worldwide inflation.4" I agree with him. Monetary authorities have
a role to play in maintaining market share in a competitive
environment by keeping inflation low and stable.
An important point in this regard was made a few years back by
former Federal Reserve Governor Laurence Meyer5. Governor Meyer
noted that competition among currencies is not a zero-sum game. If
better monetary and fiscal policies are developed by defending
challenges to any particular currency's role in the international
economy, then everyone stands to gain. Currency competition is
therefore useful; it creates a win-win situation, and is to be
welcomed.
I truly believe that a nation or region benefits when its currency
becomes an international reserve currency. To sustain that status,
the monetary authority must show that it will remain committed to
protecting the purchasing power of its currency. Global competition
for international reserve currencies gives central banks an added
incentive to pursue that goal.

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The Internationalization of National Currencies :: March 27, 2007 :: Federal Reserve Bank of Cleveland

End Notes

[1] Unless otherwise indicated, the reserve data come from the
International Monetary Fund (IMF). Few countries publicize the
currency composition of their reserves, but many allow the IMF to
aggregate their data. The IMF knows and reports the currency
composition for only about two-thirds of the total. The percentages
in the text refer to the portion of known reserves, not total reserves.
In reporting the data, we assume that the currency composition of
the unknown portion parallels that of the known portion.

[2] These points are also made by Menzie Chinn and Jeffrey Frankel,
"Will the Euro Eventually Surpass the Dollar as Leading International
Currency?" NBER Working Paper 11510, August 2005, Cambridge, MA.

[3]"Governments and Money," Annual Report, Federal Reserve Bank of
Cleveland, 1995.

[4] Randall S. Kroszner. "The Conquest of Worldwide Inflation:
Currency Competition and Its Implications for Interest Rates and the
Yield Curve." Remarks prepared for the Cato Institute Monetary Policy
Conference, November 16, 2006.

[5] Laurence H. Meyer. Remarks prepared for the European Institute's
Conference "Challenges to the European Millennium," April 26, 1999.

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