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Qualitative Impact Analysis through Sign-Solvability: A Review

Author

Listed:
  • J S Maybee

    (Department of Mathematics, University of Colorado at Boulder, CO 80309, USA)

  • H Voogd

    (Department of Civil Engineering, University of Technology, POB 5048 Delft, The Netherlands)

Abstract

In this paper some aspects of the theory of qualitative calculus are addressed, namely, those aspects dealing with qualitatively determinate relationships. A review is given of major literature which deals with the problem of determining the direction of change of the endogeneous variables of a model, given the direction of change of the exogenous variables and in addition a knowledge of the signs of the partial derivatives of the corresponding system of equations (sign-solvability problem). In addition, some recent developments are outlined and a number of implementation issues and potential areas of application are briefly discussed.

Suggested Citation

  • J S Maybee & H Voogd, 1984. "Qualitative Impact Analysis through Sign-Solvability: A Review," Environment and Planning B, , vol. 11(4), pages 365-376, December.
    • Handle: RePEc:sae:envirb:v:11:y:1984:i:4:p:365-376
    DOI: 10.1068/b110365
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    References listed on IDEAS

    as
    1. Lady, George M, 1983. "The Structure of Qualitatively Determinate Relationships," Econometrica, Econometric Society, vol. 51(1), pages 197-218, January.
    2. Ritschard, Gilbert, 1983. "Computable Qualitative Comparative Static Techniques," Econometrica, Econometric Society, vol. 51(4), pages 1145-1168, July.
    3. Lady, George M. & Maybee, John S., 1983. "Qualitatively invertible matrices," Mathematical Social Sciences, Elsevier, vol. 6(3), pages 397-407, December.
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    Cited by:

    1. Henk Folmer & Peter Nijkamp, 1985. "Methodological Aspects Of Impact Analysis Of Regional Economic Policy," Papers in Regional Science, Wiley Blackwell, vol. 57(1), pages 165-180, January.

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