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Currency substitution

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Currency substitution

Worldwide official use of foreign currency or pegs.
  US dollar users, including the United States
  Currencies pegged to the US dollar
  Euro users, including the Eurozone
  Currencies pegged to the euro

  Australian dollar users, including Australia
  Indian rupee users and pegs, including India
  New Zealand dollar users, including New Zealand
  Pound sterling users and pegs, including the United Kingdom
  Russian ruble users, including Russia and other territories
  South African rand users (CMA, including South Africa)

  Special drawing rights or other currency basket pegs
  Three cases of a country using or pegging the currency of a neighbor

Currency substitution occurs when the inhabitants of a country use a foreign currency in parallel to or instead of the domestic currency.[1]

Currency substitution can be full or partial. Full currency substitution has taken place in small countries, mostly in Latin America, the Caribbean and the Pacific that are heavily dependent on the United States.[2] Partial currency substitution occurs when residents of a country choose to hold a significant share of their financial assets denominated in foreign currency.

The major currencies used as substitutes are the United States dollar, the British pound sterling, the euro, the New Zealand dollar, the Swiss franc, the Indian rupee, the Australian dollar, the Armenian dram, the Turkish lira, the Israeli shekel, and the Russian ruble.

Contents

  • Origins 1
  • Measures 2
  • Types 3
  • Effects 4
    • On trade and investment 4.1
    • On monetary and exchange rate policies 4.2
    • On banking systems 4.3
  • Determinants of the currency substitution process 5
    • The dynamics of the flight from domestic money 5.1
    • Institutional factors 5.2
  • Anchor currencies 6
    • US dollar 6.1
      • Countries using the US dollar exclusively 6.1.1
      • Countries using the US dollar alongside other currencies 6.1.2
    • Euro 6.2
    • New Zealand dollar 6.3
    • Australian dollar 6.4
    • South African rand 6.5
    • Others 6.6
  • See also 7
  • References 8
    • Footnotes 8.1
    • Works cited 8.2

Origins

After the gold standard was abandoned at the outbreak of World War I and the Bretton Woods Conference following World War II, some countries were desperately seeking exchange rate regimes to promote global economic stability and, hence, their own prosperity. Countries usually peg their currency to a major convertible currency. "Hard pegs" are extreme exchange rate regimes that demonstrate a stronger commitment to a fixed parity (i.e., currency boards) or relinquish control over their own currency (such as currency unions) while "soft pegs" are more flexible and floating exchange rate regimes.[3] The collapse of "soft" pegs in Southeast Asia and Latin America in the late 1990s led to currency substitution to become a serious policy issue.[4]

A few cases of full currency substitution prior to 1999 had been the consequence of political and historical factors. In all long-standing currency substitution cases, historical and political reasons have been more influential than an evaluation of the economic effects of currency substitution.[5] Panama adopted the US dollar as legal tender after independence as the result of a constitutional ruling.[6] Ecuador and El Salvador became fully dollarized economies in 2000 and 2001 respectively with different influential factors.[5] Ecuador underwent the process of currency substitution to deal with a widespread political and financial crisis resulting from massive loss of credibility in its political and monetary institutions. By contrast, El Salvador's official currency substitution was a result of internal debates and in a context of stable macroeconomic fundamentals and long-standing unofficial currency substitution. The eurozone adopted the euro (€) as its common currency and sole legal tender in 1999, which might be considered a variety of full-commitment regime similar to full currency substitution despite some evident differences from other currency substitutions.[7] For more on dollarisation, cf. Fields, David, and Matías Vernengo. "Dollarization." The Wiley-Blackwell Encyclopedia of Globalization (2013).

Measures

There are two common indicators of currency substitution. The first one is the share of foreign currency deposits (FCD) in the domestic banking system in the broad money including of FCD. The second measure is the share of all foreign currency deposits held by domestic residents at home and abroad in their total monetary assets.[6]

Types

Unofficial currency substitution or de facto currency substitution is the most popular type of currency substitution. Unofficial currency substitution happens when residents of a country choose to hold a significant share of their financial assets denominated in foreign currency, but the foreign currency lacks the legal tender.[8] They hold deposits in the foreign currency because of a bad track record of the local currency, or as a hedge against inflation of the domestic currency.

Official currency substitution or full currency substitution happens when a country adopts a foreign currency as its sole legal tender, and ceases to issue the domestic currency. Another effect of a country adopting a foreign currency as its own is that the country gives up all power to vary its exchange rate. There is a small number of countries adopting a foreign currency as legal tender. For example, Panama underwent a process of full currency substitution by adopting the US dollar as legal tender in 1904. This type of currency substitution is also known as de jure currency substitution.

Currency substitution can be used semiofficially (or officially bimonetary systems), where the foreign currency is legal tender alongside the domestic currency.[9]

In literature, there is a set of related definitions of currency substitution such as external liability currency substitution, domestic liability currency substitution, banking sector's liability currency substitution or namely deposit currency substitution and credit dollarlization. The external liability currency substitution measures total external debt (private and public) denominated in foreign currencies of the economy.[9][10] Deposit currency substitution can be measured as the share of foreign currency deposits in total deposit of the banking system while credit currency substitution can be measured as the share of dollar credit in total credit of the banking system.[11]

Effects

On trade and investment

One of the main advantages of adopting of a strong foreign currency as sole legal tender is to reduce the transaction costs of trade among countries using the same currency.[12] There are at least two ways to infer this impact from data. The first one is a significantly negative effect of exchange rate volatility on trade in most cases, and the second is an association between transaction costs and the need to operate with multiple currencies.[13] Economic integration with the rest of the world becomes easier as a result of lowered transaction costs and stabler prices.[14] Rose (2000) applied the gravity model of trade and provided empirical evidence that countries sharing a common currency engage in significantly increased trade among them, and that the benefits of currency substitution for trade may be large.[15]

Countries with full currency substitution economies can invoke greater confidence among international investors, inducing increased investments and growth. The elimination of the currency crisis risk due to full currency substitution leads to a reduction of country risk premiums and then to lower interest rates.[14] These effects result in a higher level of investment. However, there is a positive association between currency substitution and interest rates in a dual-currency economy.[16]

On monetary and exchange rate policies

Official currency substitution helps to promote fiscal and monetary discipline and thus greater macroeconomic stability and lower inflation rates, to lower real exchange rate volatility, and possibly to deepen the financial system.[13] Firstly, currency substitution helps developing countries, providing a firm commitment to stable monetary and exchange rate policies by forcing a passive monetary policy. Adopting a strong foreign currency as legal tender will help to "eliminate the inflation-bias problem of discretionary monetary policy".[17] Secondly, official currency substitution imposes stronger financial constraint on the government by eliminating deficit financing by issuing money.[18] An empirical finding suggests that inflation has been significantly lower in economies with full currency substitution than nations with domestic currencies.[19] The expected benefit of currency substitution is the elimination of the risk of exchange rate fluctuations and a possible reduction in the country's international exposure. Currency substitution cannot eliminate the risk of an external crisis but provides steadier markets as a result of eliminating fluctuations in exchange rates.[14]

On the other hand, currency substitution leads to the loss of seigniorage revenue, the loss of monetary policy autonomy, and the loss of the exchange rate instruments. Seigniorage revenues are the profits generated when monetary authorities issue currency. When adopting a foreign currency as legal tender, a monetary authority needs to withdraw the domestic currency and give up future seigniorage revenue. The country loses the rights to its autonomous monetary and exchange rate policies, even in times of financial emergency;[14][20] former chairman of the Federal Reserve Alan Greenspan, for example, has stated that the central bank considers the effects of its decisions only on the US economy.[21] In a full currency substituted economy, exchange rates are indeterminate and monetary authorities cannot devalue the currency.[22] In an economy with high currency substitution, devaluation policy is less effective in changing the real exchange rate because of significant pass-through effects to domestic prices.[14] However, the cost of losing an independent monetary policy exists when domestic monetary authorities can commit an effective counter-cyclical monetary policy, stabilizing the business cycle. This cost depends adversely on the correlation between the business cycle of the client country (the economy with currency substitution) and the business cycle of the anchor country.[12] In addition, monetary authorities in economies with currency substitution diminish the liquidity assurance to their banking system.[14][23]

On banking systems

In an economy with full currency substitution, monetary authorities cannot act as lender of last resort to commercial banks by printing money. The alternatives to lending to the bank system may include taxation and issuing government debt.[24] The loss of the lender of last resort is considered a cost of full currency substitution. This cost depends on the initial level of unofficial currency substitution before moving to a full currency substituted economy. This relation is negative because in a heavily currency substituted economy, the central bank already fears difficulties in providing liquidity assurance to the banking system.[25] However, literature points out the existence of alternative mechanisms to provide liquidity insurance to banks, such as a scheme by which the international financial community charges an insurance fee in exchange for a commitment to lend to a domestic bank.[26]

Commercial banks in countries where saving accounts and loans in foreign currency are allowed may face two types of risks:

  1. Currency mismatch risk: Assets and liabilities on the balance sheets may be in different denominations. This may arise if the bank converts foreign currency deposits into local currency and lends in local currency or vice versa.
  2. Default risk: Arises if the bank uses the foreign currency deposits to lend in foreign currency.[27]

However, currency substitution eliminates the probability of a currency crisis that negatively affects the banking system through the balance sheet channel. Currency substitution may reduce the possibility of systematic liquidity shortages and the optimal reserves in the banking system.[28] Research has shown that official currency substitution has played a significant role in improving bank liquidity and asset quality in Ecuador and El Salvador.[29]

Determinants of the currency substitution process

The dynamics of the flight from domestic money

High and unanticipated inflation rates decrease the demand for domestic money and raise the demand for alternative assets, including foreign currency and assets dominated by foreign currency. This phenomenon is called the "flight from domestic money". It results in a rapid and sizable process of currency substitution.[30] In countries with high inflation rates, the domestic currency tends to be gradually displaced by a stable currency. At the beginning of this process, the store-of-value function of the domestic currency is replaced by the foreign currency. Then, the unit-of-account function of the domestic currency is displaced when many prices are quoted in a foreign currency. A prolonged period of high inflation will induce the domestic currency to lose its function as medium of exchange when the public carries out many transactions in foreign currency.[31]

Ize and Levy-Yeyati (1998) examine the determinants of deposit and credit currency substitution, concluding that currency substitution is driven by the volatility of inflation and the real exchange rate. Currency substitution increases with inflation volatility and decreases with the volatility of the real exchange rate.[32]

Institutional factors

The flight from domestic money depends on a country's institutional factors. The first factor is the level of development of the domestic financial market. An economy with a well-developed financial market can offer a set of alternative financial instruments dominated in domestic currency, reducing the role of foreign currency as an inflation hedge. The pattern of the currency substitution process also varies across countries with different foreign exchange and capital controls. In a country with strict foreign exchange regulations, the demand for foreign currency will be satisfied in the holding of foreign currency assets abroad and outside the domestic banking system. This demand often puts pressure on the parallel market of foreign currency and on the country's international reserves.[30] Evidence for this pattern is given in the absence of currency substitution during the pre-reform period in most transition economies, because of constricted controls on foreign exchange and the banking system.[33] In contrary, by facilitating the domestic holding of foreign currency, a country might mitigate the shift of assets abroad and strengthen its external reserves in exchange for a currency substitution process. However, the effect of this regulation on the pattern of currency substitution depends on the public's expectations of macroeconomic stability and the sustainability of the foreign exchange regime.[30]

Anchor currencies

US dollar

Countries using the US dollar exclusively

Countries using the US dollar alongside other currencies

Euro

New Zealand dollar

Australian dollar

  • Kiribati (issues its own coins; Kiribati has used Australian currency since 1943)[35]
  • Nauru (has fully used Australian currency since 1914)[35]
  • Tuvalu (issues its own coins; Tuvalu has used Australian currency alongside its domestic currency since 1892)[35]

South African rand

Others

See also

References

Footnotes

  1. ^ New estimates of U.S. currency abroad, the domestic money supply and the unreported Economy Edgar L. Feige September 2011.
  2. ^ Mundell, R. A. (1961), “A theory of optimum currency areas,” American Economic Review, 51, pp. 657-65.
  3. ^ Yeyati (2003) at 1.
  4. ^ Rochon, Louis-Philippe (2003). Dollarization Lessons from Europe and the Americas. London and New York: Routledge. p. 1. 
  5. ^ a b Yeyati (2003) at 3.
  6. ^ a b Savastano at 7.
  7. ^ Yeyati (2003) at 5.
  8. ^ Balino; Berensztein (1999). "Monetary Policy in Dollarized Economies". IMF Occasional paper 171. 
  9. ^ a b Bogetic (200). "Official Dollarization: Current Experiences and Issues". Cato Journal 20 (2): 179–213. 
  10. ^ Berkmen, Pelin; Eduardo (2009). "Exchange Rate Policy and Liability currency substitution: What Do the Data Reveal about Causality?". IMF Working Paper (WP/07/33): 6. 
  11. ^ Pinon, Marco (2008). Macroeconomic Implications of Financial currency substitution The Case of Uruguay. Washington DC: International Monetary Fund. p. 22. 
  12. ^ a b Alesina, Alberto; Barro (2001). "Dollarization". The American Economic Review 91 (2): 381–385.  
  13. ^ a b Yeyati (2003) at 22.
  14. ^ a b c d e f Berg, Andrew; Borensztein, Eduardo (2000). "The Pros and Cons of Full Dollarization". IMF Working Paper; Full dollarization (IMF) (00/50). Retrieved 13 October 2011. 
  15. ^ Rose, Andrew (2000). "One Money, One Market: the effect of common currencies on trade,". Economic Policy. 
  16. ^ Honohan, Patrick (2007). "Dollarization and Exchange Rate Fluctuations". World Bank Policy Research Working Paper (4172). 
  17. ^ Alesina, Alberto; Barro (2001). "Dollarization". The American Economic Review 91 (2): 382.  
  18. ^ Yeyati (2003) at 23.
  19. ^ Edwards, Sebastian; Magendzo. "Dollarization, Inflation and Growth". NBER Working Paper (8671). 
  20. ^ Broda, Levy Yeyati, Christian, Eduardo. "Endogenous deposit dollarization". Federal Reserve Bank of New York. 
  21. ^ Moreno-Bird, Juan Carlos (Fall 1999). "Dollarization in Latin America: Is it desirable?". ReVista: Harvard Review of Latin America. 
  22. ^ John, Kareken; Wallace (1981). "On the Indeterminacy of Equilibrium Exchange Rates". Quarterly Journal of Economics 96: 207–222.  
  23. ^ Levy Yeyati, Eduardo. "Liquidity Insurance in a Financially Dollarized Economy, NBER Working Papers 12345". National Bureau of Economic Research, Inc. 
  24. ^ Bencivenga, Valerie; Huybens, Smith (2001). "Dollarization and the Integration of International Capital Markets: a Contribution to the Theory of Optimal Currency Areas". Journal of Money, Credit and Banking 33 (2, Part 2): 548–589.  
  25. ^ Broda, Christian; Yeyati (2001). "Dollarization and the Lender of Last Resort". Book: Dollarization: 100–131. 
  26. ^ Yeyati (2003) at 31.
  27. ^ Kutan, Rengifo, Ozsoz, Ali, Erick, Emre. "Evaluating the Effects of Deposit Dollarization in Bank Profitability" (PDF). Fordham University Economics Department. 
  28. ^ Yeyati (2003) at 34.
  29. ^ , 2006Official Dollarization and the Banking System in Ecuador and El SalvadorFederal Reserve Bank of Atlanta,
  30. ^ a b c Savastano.
  31. ^ Sahay, Ratna; Vegh (1995). "Dollarization in Transition Economies: Evidence and Policy Implications". IMF Working Paper. WP/95/96: 1. 
  32. ^ Catão, Luis; Terrrones (2007). "Determinants of Dollarization: The Banking Side". IMF Working Paper. WP/00/146: 5. 
  33. ^ Sahay, Ratna; Vegh (1995). "Dollarization in Transition Economies: Evidence and Policy Implications". IMF Working Paper. WP/95/96: 13. 
  34. ^ Edwards, Sebastian (2001). "Dollarization and Economic Performance: An Empirical Investigation". NBER Working Paper (8274): 1. 
  35. ^ a b c d e f g Edwards, Sebastian (2001). "Dollarization and Economic Performance: An Empirical Investigation". NBER Working Paper (8274): 17. 
  36. ^ Edwards, Sebastian (2001). "Dollarization and Economic Performance: An Empirical Investigation". NBER Working Paper (8274): 6. 
  37. ^ Pinon, Marco; Gelos, Gaston (28 August 2008). "Uruguay's Monetary Policy Effective Despite Dollarization". IMF Survey Magazine. Retrieved 4 March 2012. 
  38. ^ "Money & Cost". lonelyplanet.com. Retrieved 13 December 2013. 
  39. ^ http://www.ft.com/intl/cms/s/0/b01c354e-13f2-11e4-8485-00144feabdc0.html
  40. ^ Edwards, Sebastian (2001). "Dollarization and Economic Performance: An Empirical Investigation". NBER Working Paper (8274): 3. 
  41. ^ a b "Insight - North Korean economy surrenders to foreign currency invasion." Reuters. June 3, 2012. Retrieved 4 June 2012.
  42. ^ "New Zealand Dollar (NZD) Profile". currency7.com. Retrieved 13 December 2013. 

Works cited

  • Savastano, Miguel (1996). "Dollarization in Latin America: Recent Evidence and Some Policy Issues". IMF Working Paper. WP/96/4. 
  • Yeyati, Eduardo (2003). Dollarization. Massachusetts Institute of Technology. 
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