An decrease in interest rates generated by the fed buying bonds will, ceteris paribus, bond prices..

An decrease in interest rates generated by the FED buying bonds will, ceteris paribus, _increase bond prices..

Explanation:

There is inverse relation between bond price and interest rate .

Bond price , sums up the present cash value of cash flow of bond. The  cash flow is discounted by the prevailing interest rate . If it goes down , the NPV of cash flow increases . Hence the bond price increases.

Second theory is that , when prevailing interest rate decreases , demand of bond on which interest rate is fixed goes up . Hence its price increases.

answer; presidential election years;