Zeta Transforms, Present Value, and Economic Analysis

Abstract
A new methodology is developed for economic modeling and direct calculation of the equivalent present, future, or annual values of a wide variety of discrete cash flow series. The basis of this methodology is the zeta transform and it serves as the discrete analogue of the Laplace transform methodology developed earlier by the authors. Both of these transform methodologies represent natural extensions of the traditional present worth, sinking fund, etc., factors by providing a means for deriving these factors for virtually any realistic form of series over a finite time horizon.

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