Why Fed Tapering caused a rise in bond yields

Readers Question Why did bond yields in the USA rise at news of the Fed Tapering back in August?

The Federal Reserve has been engaged in a policy of quantitative easing. This involves:

  • Creating money electronically
  • Using this created money to buy assets, such as government bonds.

The aim of quantitative easing is to stimulate economic activity – increase economic growth and avoid inflationary pressure. QE aims to stimulate economic growth through increasing the money supply and reducing interest rates in the economy.

With the Federal Reserve buying bonds, other investors are also keener to buy bonds. The Fed is pushing up the price of bonds so whilst this is occurring other investors may be encouraged to also buy bonds and benefit from the rising prices.

Fed Tapering

Fed Tapering means that the Federal Reserve will begin to stop buying bonds, and no longer continue to create money and buy bonds. This tapering could also be seen as a preliminary to reversing quantitative easing and selling the bonds that have been accumulated.

A decision that the Fed would be beginning to end quantitative easing, will encourage investors to start selling bonds.

If the Fed stops buying bonds, the price is likely to stop rising; and if quantitative easing is reversed,  bond prices could fall. This expectation of falling bond prices will encourage investors to sell. Markets are always trying to anticipate future movements. Therefore, even a weak signal that bond purchases may start to be tapered was seen as a signal that now would be a good time to sell bonds and move into something else.

As bond prices fell, the yield started to rise (the inverse relationship again)

Economic recovery and rising bond yields

Another factor to explain rising bond yields is that the Fed’s decision to Taper bond purchases is related to the improved economic prospects. With stronger economic growth, bond yields tend to rise. The reason is that economic growth encourages investors to put money into more profitable private investment schemes. Government bonds are in strong demand when the economy is in recession. They are seen as a safe investment. In a recession corporate bonds are seen as more risky because firms may go bankrupt in the recession. An economic recovery though will encourage investors to sell the safer government bonds and buy riskier corporate bonds with potential for higher yield. Therefore, a recovery tends to see lower price of government bond yields, and rising yields.

Update since August

On the 18th September, the Federal Reserve announced that (after all) it will not taper QE for the time being. The bond-buying program will continue to be $85 billion per month. However, fears over US debt default (related to political arguments over debt ceiling) has caused investors to be nervous. There is less demand for US bonds and bond yields have risen to reflect these fears)


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