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A government bond is a bond issued by a national government, generally with a promise to pay periodic interest payments and to repay the face value on the maturity date. Government bonds are usually denominated in the country's own currency. Bonds issued by national governments in foreign currencies are normally referred to as sovereign bonds, although the term "sovereign bond" may also refer to bonds issued in a country's own currency.
The terms on which a government can sell bonds depend on how creditworthy the market considers it to be. International credit rating agencies will provide ratings for the bonds, but market participants will make up their own minds about this.
The first ever government bond was issued by the Bank of England in 1693 to raise money to fund a war against France. It was in the form of a tontine. Later, governments in Europe started issuing perpetual bonds (bonds with no maturity date) to fund wars and other government spending. The use of perpetual bonds ceased in the 20th century, and currently governments issue bonds of limited term to maturity.
Government bonds in a country's own currency are sometimes taken as an approximation of the theoretical risk-free bond, because it is assumed that the government can raise taxes or create additional currency in order to redeem the bond at maturity. There have been instances where a government has defaulted on its domestic currency debt, such as Russia in 1998 (the "ruble crisis") (see national bankruptcy).
As an example, in the US, Treasury securities are denominated in US dollars. In this instance, the term "risk-free" means free of credit risk. However, other risks still exist, such as currency risk for foreign investors (for example non-US investors of US Treasury securities would have received lower returns in 2004 because the value of the US dollar declined against most other currencies).
Secondly, there is inflation risk, in that the principal repaid at maturity will have less purchasing power than anticipated if the inflation rate is higher than expected. Many governments issue inflation-indexed bonds, which protect investors against inflation risk by linking both interest payments and maturity payments to a consumer prices index.
In the UK, government bonds are called gilts. Older issues have names such as "Treasury Stock" and newer issues are called "Treasury Gilt". Inflation-indexed gilts are called Index-linked gilts.
UK gilts have maturities stretching much further into the future than other European government bonds, which has influenced the development of pension and life insurance markets in the respective countries.
- Government debt
- War Bonds
- Municipal bond
- List of government bonds
- Foreign exchange reserves of the People's Republic of China
- "Sovereign Bond Definition". investopedia.com. 2011 [last update]. Retrieved 15 December 2011.
- "Gilt Market: About gilts". UK Debt Management Office. Retrieved 2011-06-13.
- "Gilt Market: Index-linked gilts". UK Debt Management Office. Retrieved 2011-06-13.