The National Bank of Denmark is focusing on maintaining the long duration of the country's debt, it says in a document outlining its 2016 debt management strategy, published on February 24.

Danish debt is in an enviable position among developed economies. The sovereign is rated triple-A, with debt of just 22% of GDP, and since interest rates are at record lows, the government can borrow very cheaply. At short maturities, some bonds have negative yields.

In such an environment, the central bank