From the Economist – good video on government bonds and debt through the ages with some great graphics.
It asks the question is government debt a concern today? They state that as long as a country’s GDP is growing faster than the country’s debt accumulating in interest then it grow its way out of debt with no fiscal cost. It also questions why interest rates today are low? Central banks such as the RBNZ and the US Federal Reserve set the interest rates and will keep them low until the economy starts some sort of recovery. They are able to do this as there is little to no inflationary pressure in the economy – remember most central banks have an inflationary target. This does mean that savers lose out as the return they get is very low. Furthermore implementing a programme of quantitative easing floods the market with cash which in turn leads to a lower cost of borrowing.