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Solving intertemporal CGE models in parallel using a singly bordered block diagonal ordering technique

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  • Van Ha, Pham
  • Kompas, Tom

Abstract

The paper introduces a direct ordering method that employs a special feature of an intertemporal Computable General Equilibrium (CGE) model to reorder its first-order partial derivative matrix into a Singly Bordered Block Diagonal (SBBD) form. The matrix can then be decomposed into LU form and solved in parallel. With this method, the numerical results from the paper show a substantial advantage in computational time and memory use for parallel solutions of intertemporal CGE models in comparison to current serial solution methods. A solution for an intertemporal and regional model of the Vietnamese economy is provided as an example and comparator for the different methods.

Suggested Citation

  • Van Ha, Pham & Kompas, Tom, 2016. "Solving intertemporal CGE models in parallel using a singly bordered block diagonal ordering technique," Economic Modelling, Elsevier, vol. 52(PA), pages 3-12.
    • Handle: RePEc:eee:ecmode:v:52:y:2016:i:pa:p:3-12
    DOI: 10.1016/j.econmod.2015.07.011
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    Cited by:

    1. Van Ha, Pham & Kompas, Tom & Nguyen, Hoa Thi Minh & Long, Chu Hoang, 2017. "Building a better trade model to determine local effects: A regional and intertemporal GTAP model," Economic Modelling, Elsevier, vol. 67(C), pages 102-113.
    2. N. B. Melnikov & A. P. Gruzdev & M. G. Dalton & M. Weitzel & B. C. O’Neill, 2021. "Parallel Extended Path Method for Solving Perfect Foresight Models," Computational Economics, Springer;Society for Computational Economics, vol. 58(2), pages 517-534, August.
    3. Olegs Krasnopjorovs & Daniels Jukna & Konstantins Kovalovs, 2022. "On the Use of General Equilibrium Model to Assess the Impact of Climate Policy in Latvia," Post-Print hal-03861139, HAL.
    4. Asiya Maskaeva & Mgeni Msafiri, 2021. "Youth unemployment hysteresis in South Africa: Macro-micro analysis," WIDER Working Paper Series wp-2021-20, World Institute for Development Economic Research (UNU-WIDER).

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