Higher inflation expectations decrease demand for bonds and increase their supply. Both factors result in lower bond prices and higher interest rates.Keynesian economics is a macroeconomic theory of total spending in the economy and its effects on output, employment, and inflation. This higher demand for shortterm bonds leads to lower shortterm interest rates. Their interest rates decline as bond prices are bid higher. If the demand for bonds decreases, market interest rates will (1 Point)fall. Not change since interest rates and bond prices are unrelated.rise. While cash yields are certainly attractive today, fixed income assets have historically outperformed cash when the Fed stopped raising rates. A decrease in tax rates can increase the investment demand for bonds in several ways: 1. When a liquidity of other assets increases, the demand for the bonds decreases and the demand curve shifts to the left.