The People of the State of Michigan enact: 438.151 Interest rate; obligations payable out of state. Sec. 1. When the Federal Reserve buys bonds, bond prices go up, which in turn reduces interest rates.Michigan State Housing Development Authority. Below Market Rate Bond Program. This session provides an explanation of some voted bonds financial strategies and how they operate. Capital appreciation: Bond prices can rise for several reasons, including a drop in interest rates and an improvement in the credit standing of the issuer.