Patent ID: 7376604

Claim:
A method for investing yield restricted monies, comprising: obtaining bond proceeds associated with a portfolio containing at least two bonds, wherein the bond proceeds are from the issuance of the bonds by a bond issuer, wherein each of the bonds has a respective bond term and a respective bond yield, wherein the portfolio has a term overlapping at least the terms of each of the bonds, wherein an aggregate bond yield is formed of a combination of the yields of each of the bonds, and wherein the bond proceeds from the issuance of the bonds comprise at least part of the yield restricted monies; and investing on the part of the bond issuer, for at least part of the term of a first one of the bonds contained in the portfolio, at least part of the bond proceeds from the issuance of the bonds in a tax-exempt inverse-floater financial instrument, wherein the inverse-floater financial instrument has a first rate of return which varies substantially inversely with regard to a second rate of return of a floater financial instrument; wherein the bond proceeds from the issuance of the bonds achieve an aggregate return, over the term of the portfolio, above the aggregate bond yield to which the bond proceeds from the issuance of the bonds would otherwise be restricted by regulation.