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This paper reviews work on the^ development of a program Nasa for the automated comparative static analysis of parametrized nonlinear systems over parameter intervals. Nasa incorporates a fast and efficient algorithm Feed for the automatic evaluation of higher-order partial derivatives, as well as an adaptive homotopy continuation algorithm for obtaining all required iiutial conditions. Applications are envisioned for fields such as economics where models tend to be complex and closed-form solutions are difficult to obtain...

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This report has been published in: Tesfatsion, Leigh. "Nonlocal automated comparative static analysis." Computer Science in Economics and Management 5.4 (1992): 313-331.