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for the Danish krone and a 15% fluctuation band for the Greek drachma. Although the euro remains in second position after the US dollar in terms of its official use, the role of the euro will increase in the future, without a doubt.
The position of the Eurosystem concerning the international role of the euro
As a general conclusion stemming from the previous analysis of the use of the euro in the world economy, we can affirm that the euro is the second most widely used currency, behind the US dollar and ahead of the Japanese yen. The private use of the euro as an investment and financing currency and its official use as a reserve, intervention and pegging currency are increasing rapidly, while it is developing at a slower pace as a payment currency in the exchange of goods and services. The use of the euro as a unit of account is linked to its use as store of value and a medium of exchange.
Taking the current situation as a starting point, the Eurosystems position concerning the future international role of the euro is crystal clear: we shall not adopt a belligerent stance in order to force the use of the euro upon the world economy. We are convinced that the use of the euro as an international currency will come about anyway. It will happen spontaneously, slowly but inexorably, without any impulses other than those based on free will and the decisions of market participants, without any logic other than that of the market. In other words, the internationalisation of the euro is not a policy objective of the Eurosystem; it will neither be fostered nor hindered by us. The development of the euro as an international currency will be a market-driven process, a free process, which will take place, without a doubt.
Factors determining the importance of the euro in the world economy
We understand that the euro fulfils the necessary conditions to become a leading international currency with the US dollar and not against it. There is enough room for both currencies in the world economy.
The necessary conditions for a currency to become an international currency are based on two broad factors: low risk and large size. The low risk factor is related to the confidence inspired by the currency and its central bank, which in turn mainly depends on the internal and external stability of the currency. The low risk factor tends to lead to diversification among international currencies, since diversification is a means to reduce the overall risk; it acts, so to speak, as a centrifugal force. By contrast, the large size factor relates to the relative demographic economic and financial importance of the area which supports the currency; in other words, the "habitat" of the currency. The large size factor generally tends to lead to centralisation around one or several key international currencies. It can be seen as a centripetal force, as a virtuous circle, which will tend to lead to an increasing use of the euro as an international currency. Let us consider these two factors in more detail.
The stability of the currency and the credibility of the ECB
The first factor concerns low risk, credibility and stability. The stability of the euro is a priority for the ECB. Compared with the idea of stability, the strength of the euro is of lesser importance. This does not mean that the exchange rate of the euro does not constitute an element to be considered in the monetary policy strategy of the ECB. However, the basic factor that will determine the importance of the euro as a widely used currency in the world economy, in addition to the demographic, economic and financial dimensions of the euro area, is, without a doubt, the stability of the new currency, understood as a means to maintain the purchasing power of savings.
In the global economy the transmission of financial crises by means of different mechanisms (devaluations of weak currencies, subsequent increases in interest rates, etc.) is frequently mentioned. Less is said about the spillover or transmission of positive economic circumstances, such as stability. The Eurosystem will "export" stability to the rest of the world economy, and not only in the case of those countries which decide to tie their currencies, formally or otherwise, to the euro (through the ERM II or other arrangements). In a global economy the euro area cannot be an island of stability, but it can transmit its stability to the rest of the world economy as the links between regions increase.
Stability is the basic requirement for a good currency. It is what we at the ECB want for the euro. We want a stable euro, not necessarily a strong euro. In the long term the euro will derive strength from its stability.
The stability of the euro is the basis for the confidence in and the credibility of the ECB, without which a large international role for the euro would be unthinkable. Stability is the proof of the effectiveness of the institution. Yet in order to be credible it is not sufficient for the ECB to maintain stability. Other parameters of its action must be considered: accountability, transparency and communication, a Europe-wide perspective.
The conditions for the credibility of the euro are certainly demanding. However, the achievement of these conditions is the aim of all those of us who have responsibilities in relation to the operation of the Eurosystem.
The "habitat" of the euro
The second factor, which we have called the large size factor or the habitat of the euro, is important because without a certain critical mass, a currency cannot have international relevance, however high its degree of stability. In addition to quality, quantity is required, as suggested by the example of the reduced degree of international use of the Swiss franc in relation to other stable currencies, such as the US dollar or the Deutsche
Mark until 1998.
The figures relating to the population and the GDP of the euro area illustrate this. With 292 million inhabitants, its population exceeds that of the United States (270 million) and that of Japan (127 million). The GDP of the euro area is, on the other hand, equal to 76% of the GDP of the United States (EUR 5,774 billion compared with EUR 7,592 billion), though it is higher than that of Japan (EUR 3,327 billion). The source of this information, which refers to 1998, is Eurostat.
However, even more important than the current figures is the potential for the future development of the euro area, in terms of population and GDP, if and when the so-called "pre-ins" (Denmark, Greece, Sweden and the United Kingdom) join the Eurosystem.
The entry of these countries would result in a monetary area of 376 million inhabitants, 39% larger than the United States and almost triple the size of Japan, with a GDP of EUR 7,495 billion, only slightly less than that of the United States and 125% higher than that of Japan.
All these facts and figures which demonstrate the demographic and economic importance of the European Union would be further strengthened by enlargement to Eastern Europe. Our continent has a historical, cultural and geographical identity - from the Iberian Peninsula to the Urals, with certain additional external territories - which, in the future, may also come to form an economic unit. However that is, for the moment, a distant prospect.
The degree of openness of an economic area is also a relevant factor as regards the international role of its currency. In this respect the euro area is more open than the United States or Japan, with a percentage of external trade of around 25.8% of GDP, compared with 19.6% for the United States and 17.9% in the case of Japan (data from Eurostat for 1997). However, a euro area consisting of the 15 countries of the European Union would be more closed, by the mere arithmetic fact that the transactions with the present pre-ins would become domestic transactions, resulting in a coefficient of openness of 19.4%, words to that of the United States. Clearly, the size and the degree of openness are parameters that move in opposite directions: the larger the euro area, the smaller its degree of openness to other countries.
The financial dimension of the euro
The size or habitat of an economy does not only depend on demographic or economic factors; it also has to do with the financial base or dimension of the area. In considering the financial dimension of the euro area, the first relevant feature to observe is the low level of capitalisation of the stock markets in comparison with the United States and Japan. Compared with a stock market capitalisation of EUR 3,655 billion in the euro area in 1998, the United States presents a figure almost four times this amount (EUR 13,025 billion). Japan ranks third, with EUR 2,091 billion. There would be a marked difference if one were to include all 15 countries of the European Union, since the stock exchange capitalisation would increase to EUR 6,081 billion.
Although these figures could give the impression that the euro area has a relatively small financial dimension relative to its economic dimension, this is not the case. The lower degree of development of the capital markets is offset by a higher degree of banking assets. This means that the financial base of real economic activity in Europe is founded on bank intermediation, which is also a feature of the Japanese economy. For example, private domestic credit in the euro area amounts to 92.4% of GDP, while in the United States it is only 68.9%. Conversely, fixed domestic income represents 34.2% of GDP in the euro area compared with 66.1% of GDP in the United States (statistics from the International