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Sensitivity of CGE Simulation Results to Competing SAM Updates

  • Cardenete, M. Alejandro

    (U Pablo de Olavide de Sevilla)

  • Sancho, Ferran

    (U Autonoma de Barcelona)

Recently there has been a renewed research interest in the properties of non-survey updates of input-output tables and social accounting matrices (SAM). Along with the well-known scaling RAS method, new procedures related to entropy minimization and other metrics have been suggested, tested, and used in the literature. Whether these procedures will eventually substitute or merely complement the RAS approach is still an open question. In general, the performance of the updating procedures has been tested using proximity measures to a reference input-output table or SAM. In this paper, in contrast, we propose to look at the operational performance of three updating mechanisms by comparing the simulation results that ensue from adopting alternative databases for the calibration of a reference computable general equilibrium (CGE) model.

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Article provided by Southern Regional Science Association in its journal Review of Regional Studies.

Volume (Year): 34 (2004)
Issue (Month): 1 ()
Pages: 37-56

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Handle: RePEc:rre:publsh:v:34:y:2004:i:1:p:37-56
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  1. Arndt, Channing & Robinson, Sherman & Tarp, Finn, 2002. "Parameter estimation for a computable general equilibrium model: a maximum entropy approach," Economic Modelling, Elsevier, vol. 19(3), pages 375-398, May.
  2. Ballard, Charles L. & Fullerton, Don & Shoven, John B. & Whalley, John, 2009. "A General Equilibrium Model for Tax Policy Evaluation," National Bureau of Economic Research Books, University of Chicago Press, edition 0, number 9780226036335.
  3. Charles L. Ballard & Don Fullerton & John B. Shoven & John Whalley, 1985. "Introduction to "A General Equilibrium Model for Tax Policy Evaluation"," NBER Chapters, in: A General Equilibrium Model for Tax Policy Evaluation, pages 1-5 National Bureau of Economic Research, Inc.
  4. R. C. Jensen, 1980. "The Concept of Accuracy in Regional Input-Output Models," International Regional Science Review, SAGE Publishing, vol. 5(2), pages 139-154, August.
  5. McDougall, Robert, 1999. "Entropy Theory and RAS are Friends," GTAP Working Papers 300, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
  6. Robinson, Sherman & Cattaneo, Andrea & El-Said, Moataz, 2000. "Updating and estimating a Social Accounting Matrix using cross entropy methods," TMD discussion papers 58, International Food Policy Research Institute (IFPRI).
  7. Whalley, John & Yeung, Bernard, 1984. "External sector closing rules in applied general equilibrium models," Journal of International Economics, Elsevier, vol. 16(1-2), pages 123-138, February.
  8. Timothy J. Kehoe & Clemente Polo & Ferran Sancho, 1994. "An evaluation of the performance of an applied general equilibrium model of the Spanish economy," Working Papers 480, Federal Reserve Bank of Minneapolis.
  9. Golan, Amos & Judge, George & Robinson, Sherman, 1994. "Recovering Information from Incomplete or Partial Multisectoral Economic Data," The Review of Economics and Statistics, MIT Press, vol. 76(3), pages 541-49, August.
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