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Sequential Linking of Computable General Equilibrium and Microsimulation Models

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  • Nicolas Hérault

    ()
    (Melbourne Institute of Applied Economic and Social Research, The University of Melbourne)

Abstract

Several approaches have recently been developed to combine a computable general equilibrium model (CGE) and a microsimulation (MS) model. These so-called CGE-MS models enjoy a growing interest because they build a bridge between macro- and microeconomic analyses. This paper focuses on the ‘top-down' approach. In this context, the CGE model is used to simulate the changes at the macroeconomic level after the policy change, which are then passed on to the MS model. The aim of this paper is to compare the ‘top-down' approach introduced by Robilliard et al. (2001) based on a behavioural MS model with an alternative and simpler approach making use of a non-behavioural MS model in combination with a reweighting procedure. Both approaches are presented and then applied to the case of trade liberalisation in South Africa. The reweighting approach introduces a small bias in the results, however without modifying the main conclusions. Given its relative simplicity compared to the behavioural approach, the reweighting approach seems to constitute a good alternative when data or time constraints do not allow the use of the behavioural approach and when the interest does not lie in the production of individual-level transition matrices.

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Bibliographic Info

Paper provided by Melbourne Institute of Applied Economic and Social Research, The University of Melbourne in its series Melbourne Institute Working Paper Series with number wp2009n02.

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Length: 19 pages
Date of creation: Feb 2009
Date of revision:
Handle: RePEc:iae:iaewps:wp2009n02

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  1. Chemingui, Mohamed Abdelbasset & Thabet, Chokri, 2008. "Agricultural Trade Liberalization and Poverty in Tunisia: Micro-simulation in a General Equilibrium Framework," 2008 International Congress, August 26-29, 2008, Ghent, Belgium 44466, European Association of Agricultural Economists.
  2. Bussolo, Maurizio & Lay, Jann & van der Mensbrugghe, Dominique, 2006. "Structural change and poverty reduction in Brazil : the impact of the Doha Round," Policy Research Working Paper Series 3833, The World Bank.
  3. Maurizio Bussolo & Jann Lay, 2003. "Globalisation and Poverty Changes in Colombia," OECD Development Centre Working Papers 226, OECD Publishing.
  4. Nicolas Herault, 2007. "Trade Liberalisation, Poverty and Inequality in South Africa: A Computable General Equilibrium-Microsimulation Analysis," The Economic Record, The Economic Society of Australia, vol. 83(262), pages 317-328, 09.
  5. Lixin Cai & John Creedy & Guyonne Kalb, 2005. "Accounting for Population Ageing in Tax Microsimulation Modelling by Survey Reweighting," Department of Economics - Working Papers Series 935, The University of Melbourne.
  6. Decaluwé, Bernard & Dumont, Jean-Christophe & Savard, Luc, 2000. "Measuring Poverty and Inequality in a Computable General Equilibrium Model," Cahiers de recherche 9926, Université Laval - Département d'économique.
  7. D. Boccanfuso & F. Cabral & F. Cissé & A. Diagne & L. Savard, 2003. "Pauvreté et distribution de revenus au Sénégal: une approche par la modélisation en équilibre général calculable micro-simulé," Cahiers de recherche 0333, CIRPEE.
  8. Cathal O'Donoghue, 2001. "Introduction to the Special Issue on Dynamic Microsimulation Modelling," Brazilian Electronic Journal of Economics, Department of Economics, Universidade Federal de Pernambuco, vol. 4(2), December.
  9. N. Hérault, 2006. "Building And Linking A Microsimulation Model To A Cge Model For South Africa," South African Journal of Economics, Economic Society of South Africa, vol. 74(1), pages 34-58, 03.
  10. Luc Savard, 2005. "Poverty and Inequality Analysis within a CGE Framework: A Comparative Analysis of the Representative Agent and Microsimulation Approaches," Development Policy Review, Overseas Development Institute, vol. 23(3), pages 313-331, 05.
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Cited by:
  1. Mathias Dolls & Clemens Fuest & Andreas Peichl, 2010. "Automatic Stabilizers and Economic Crisis: US vs. Europe," NBER Working Papers 16275, National Bureau of Economic Research, Inc.

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