Recently in exchange rates Category

A common theme in much of the political rhetoric during both this election cycle and the last four years has been complaining about China as a "currency manipulator." The truth is that China has kept the value of its currency artificially low, thereby increasing the cost of U.S. exports to China and decreasing the costs of U.S. imports from China. Just like a coin has two sides, it is clear that changes in value of the Chinese currency simultaneously helps some groups while it hurts others. The novelty is that much of the media and political focus has been on the U.S. groups that get hurt by this policy, while stories about the benefits are neglected. And it is likely that the benefits outweigh the costs--possible by a landslide.
This article was published in the Deseret News on Tuesday, September 20th.

The Greek financial system is in big trouble right now.  The fundamental problem is that the Greek government has been on a bit of spending bender over the past few years and has borrowed a lot of money to pay for this, all of it denominated in euros.  It has become frighteningly clear that this level of debt is unsustainable and the Greek government needs truly radical fiscal reform to avoid defaulting on its outstanding debt.  Much of that debt is held in the form of Greek government bonds by Greek banks, but a large amount is also held by various financial institutions outside of Greece.

By itself this is not really a very interesting or important situation.  There are a large number of countries in the world and inevitably, some of them get into fiscal trouble.  Some sort of financial crisis of this sort happens on a fairly regular basis.  Greece is, however, a member of a monetary union.  And its financial health could have an effect on the financial health of other members of that union.

The euro is a unique currency because it is issued by a collection of sovereign states, rather than by a single country as is usually the case.  The currency was formally introduced into circulation in 2002 and replaced the national currencies of the participating countries.  Control of the euro money was given to the European Central  Bank (ECB), which was created with the sole purpose of managing the euro.   When the euro was created it was very clear that all member countries would be using a single currency and would therefore be unified monetarily.  It was not clear, however, how unified these countries would be in fiscal terms, however.  There is no governmental equivalent to the ECB.  There is a European parliament, but there is no central government with authority to tax and spend for the European Union as a whole.  Fiscal matters are, in theory, left entirely to the individual member countries. This means there is no natural central source of funds to "bail out" the Greek government.  The two bailout packages worked out so far have been hammered out via complex negotiations between Greece, the ECB, and other European governments.

Suppose Greece decides it is going to default on its government bonds.  Does this necessarily mean that the euro as a currency is in trouble?  Not necessarily.  In fact, if there is no expectation that Europe is a fiscally united, then there should be no issue at all.  Greek bonds, though denominated in the same currency as German bond, already pay higher interest rates due to their higher probability of default.  If the Greek government decides to default, things could get really bad for Greece, but it need not affect other European countries.  The fact that German and other European banks hold Greek government bonds could lead to increased stress on the banking sectors in those countries, but it need not lead to dissolution of the euro as a currency.

However, a problem does arise with one the way that Greece might choose to default on its debt.  Rather than default outright, the Greek government could choose to drop out of the euro zone and reintroduce their previous national currency, the drachma.  They could do this by initially trading all euro amounts in Greece one-for-one with drachma, for example, and legally rewriting all contracts in euro to contracts in drachma.  Then the Greek central bank could drastically increase the number of drachma in circulation and repay its nominal debt with this new money.  The result would be a devaluation of the drachma.  Greek assets would be worth less on the world market, just like a default, but a formal default would be avoided.  In effect, Greece would be solving its fiscal problems by imposing an inflation tax and at least some of the burden of that tax would fall on non-Greek holders of Greek government bonds.

Now suppose you had a time machine and knew for certain that this was going to happen on Dec. 31st 2011.  What should you do today?  You should sell any Greek assets you hold today to avoid the inevitable loss in their value when the drachma is devalued.  If you are a savvy investor you might take profits by short-selling Greek debt.  Even if you don't have the time machine and are uncertain what is going to happen, you might still find it prudent to sell.  When all or most investors do this, the result is a worsening of the financial crisis.

If investors feel that Greek devaluation is becoming more and more likely, it is only natural that they begin to look at other European countries with similar fiscal problems.  These countries include Ireland, Spain, Portugal, and perhaps even Italy & France.  If enough countries choose to withdraw and devalue their currencies - particularly if either of the latter two do - then the euro as a multinational currency will effectively be dead.

Greek fiscal problems don't automatically mean the euro is doomed, but it is very easy to see why policy makers in Europe and elsewhere are worried that events are moving in exactly that direction.

What is a Currency?

What is Bitcoin? from CNBC, July 20, 2011

Currencies are normally issued by governments and are backed either by a commodity or by a legal mandate.  But Bitcoin is backed by neither.  In fact, it does away with a financial intermediary almost entirely.  Unlike Paypal or other online monies, Bitcoin is peer-to-peer exchange of "tokens."  The Bitcoin transfer protocol is the only intermediation that occurs.

"The process also lets people conduct transactions with virtual (but not complete) anonymity, perhaps the biggest key to its success so far. And as online transactions continue to grow and online data theft becomes a more common occurrence, bitcoin backers see an opening for the system."

"The bitcoin system is designed so there will never be more than 21 million bitcoins in existence.  Every four years, the number of new coins that will spring into existence--or be mined--will be cut in half, until the supply is exhausted in approximately 2030. After that, the only way to get bitcoins will be via exchanges. (At present, there are about 6.6 million in circulation.)."

"The value of bitcoins in real world dollars fluctuates wildly--often as much as 8 percent per day. As little as two months ago, the exchange rate was $1 USD per bitcoin. That was before the mainstream world learned about them, though--which sent their value through the roof.  Speculators quickly saw potential in this new currency and began buying them through Mt. Gox and other sites. Given the currency's instability, that led to rapid inflation and the currency value peaked at nearly $28 on June 9.  These days, you can expect to pay somewhere between $15 and $20 per bitcoin."
This article appeared in the Deseret News on Aug. 23, 2011

Switzerland is having currency problems. This may come as a surprise to many people, since unlike a number of other countries that are in the news these days, the Swiss have been financially responsible. However, as government debt problems have roiled many nations in Europe and the US has struggled with its own government debt ceiling, many investors have turned to Switzerland as a relatively safe investment haven.

The problem with this from the Swiss point of view is what it has done to the exchange rate. Because investors want Swiss financial assets, the demand for Swiss francs on the world market has expanded dramatically. The result has been a surge in the value of the franc over other currencies. A franc is worth 50% more euro today that it was two years ago, and is worth almost 60% more dollars than it was in December of 2008.

For Swiss tourists and importers this is a huge gain; their relative wealth has surged with the exchange rate and foreign goods look much less expensive than the used to. For Swiss firms this is a disaster; for their customers the prices of their goods have risen right along with the value of the franc. As a consequence, sales and orders have dropped off dramatically.

As a result, Swiss policy makers have begun making public statement about a possible pegging of the franc to the euro. This would require a big increase in the Swiss money supply, but it would bring the exchange rate back down.

This is one recent illustration of the importance that exchange rates play in our modern economy. They are particularly important for smaller countries like Switzerland. Countries have a variety of options when it comes to exchange rate policy. All of these, however, are simply variations on two opposites. Countries can choose to fix their exchange rate to another currency or to a commodity (historically, gold) or they can let the value of their currency float on the market.

Since the early 1970s, the Swiss franc has been a floating currency along with the other major "vehicle" world currencies, the US dollar, the euro, the British pound and the Japanese yen. A floating exchange rate gives the central bank issuing the currency complete control over its own money supply. The bank may create more money when it feels the economy needs a stimulus, or create less money if they feel inflation is beginning to become a problem. However, the central bank cannot control the exchange rate in this case. Exchange rates in this case are set in the foreign currency market by the interaction of supply and demand for the domestic currency and the central bank buys and sells in this market only rarely. Indeed, most central banks with floating currencies lack the foreign currency reserves needed to manipulate the exchange rate.

Some countries rigidly peg the value of their currency to another. Hong Kong, for example, pegs the value of the Hong Kong Dollar to the U.S. dollar at a rate of 7.8 HKD per USD. When a country pegs it ends up in the exact opposite position as above. The central bank can choose any value it wants for the exchange rate, but it loses control over its own money supply. It is forced to create an exact amount of new money each year that will keep the exchange rate fixed. If demand for the currency suddenly surges, the bank must create enough money to meet this demand. Central banks that peg the value of their currencies are forced to constantly buy and sell in the foreign exchange market to keep the price constant. When demand for their currency rises, they sell it and buy foreign currencies. When demand falls they buy their own currency and sell foreign reserves.

Most international financial crises over the past several decades have arisen because of central banks attempting to manipulate their money supplies while maintaining a fixed exchange rate. The collapse of the European Exchange Rate Mechanism in 1992, the Mexican peso crisis of 1994 and the Argentina currency board collapse in 2002 are three memorable examples. All were ultimately caused by countries attempting to hold exchange rates fixed, while at the same time engaging in independent monetary policies.

Could we see a similar currency crisis in the near future? Not with the U.S. dollar which freely floats. We could certainly see the value of the dollar drop if supplies expand or demand for the dollar drops, but we are unlikely to see the catastrophic overnight drops associated with a full-blown currency crisis. Europe, on the other hand, does have a fixed exchange rate system in that many different countries all use the same currency. Given the fiscal problems in Greece, Ireland, Portugal, Spain, and other countries in the Euro area, a currency crisis associate with a country dropping out of the euro pact is a real possibility.


  • Richard W. Evans is an Assistant Professor of Economics at Brigham Young University

  • Jason DeBacker is an Assistant Professor of Economics at Middle Tennessee State University

  • Kerk L. Phillips is an Associate Professor of Economics at Brigham Young University