The sliding scale required investment of gifted money into 5-6% Eco-Energy R & D Bonds policy can be broadened into other valid problems needed to be solved.
Its important to understand that the basis for price fluctuation in the secondary market for bonds is largely if not entirely eliminated by the 50% Discount/Rebate beneficial deflation creating policies at retail sale. The same goes for the ineffective, ham-handed and punitive policy of the FED Funds interest rate. When inflation is resigned to the dust bin of history interest rates can be set primarily to encourage rationality, genuine ethics and necessary problem resolution instead of mere economic considerations and the re-inforcement of the anomalous monetary paradigm wielded by Finance.