The money supply has to decrease if you want interest rates to increase. Just click here to get our Pennsylvania Performance Application.The Official Website for the Commonwealth of Pennsylvania. Interest on interest is the interest earned when interest payments are reinvested, particularly in the context of bonds. The price of money is the nominal interest rate, the quantity is how much money people hold, supply is the money supply, and demand is the demand for money. When buying bonds in the secondary market, the buyer may have to pay accrued interest to the seller as part of the total purchase price. So, in the time-honored tradition of supply and demand, its price will go up. And because you're paying more for it, its yield becomes less. The law also requires that the bond amount be sufficient for the Department to complete the reclamation in the event the permittee does not. Resources in the event that a forfeited bond is not adequate to complete reclamation.