A method of creating, registering and marketing to the public fixed income beneficial interests entitling the owners to fractional ownership of a pool of assets that pay income. The method involves selecting and acquiring from the secondary market the pool of assets, forming a trust to hold the pool of assets, creating beneficial interests in the trust, smoothing the flow of income from the assets, registering the beneficial interests for sale to the public pursuant the Securities Act of 1983, and marketing the interests. The assets can be selected to provide substantially constant payments and to return substantially par value at maturity. An automated system useful in implementing the method is described.