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Neutrality in the choice of number of firms or level of fixed costs in calibrating an Armington-Krugman-Melitz encompassing module for applied general equilibrium models

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  • Oyamada, Kazuhiko

Abstract

This paper shows how an Armington-Krugman-Melitz encompassing module based on Dixon and Rimmer (2012) can be calibrated, and clarifies the choice of initial levels for two kinds of number of firms, or parameter values for two kinds of fixed costs, that enter a Melitz-type specification can be set freely to any preferred value, just as the cases we derive quantities from given value data assuming some of the initial prices to be unity. In consequence, only one kind of additional information, which is on the shape parameter related to productivity, just is required in order to incorporate Melitz-type monopolistic competition and heterogeneous firms into a standard applied general equilibrium model. To be a Krugman-type, nothing is needed. This enables model builders in applied economics to fully enjoy the featured properties of the theoretical models invented by Krugman (1980) and Melitz (2003) in practical policy simulations at low cost.

Suggested Citation

  • Oyamada, Kazuhiko, 2014. "Neutrality in the choice of number of firms or level of fixed costs in calibrating an Armington-Krugman-Melitz encompassing module for applied general equilibrium models," IDE Discussion Papers 465, Institute of Developing Economies, Japan External Trade Organization(JETRO).
    • Handle: RePEc:jet:dpaper:dpaper465
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    References listed on IDEAS

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    4. Roberto Roson, 2006. "Introducing Imperfect Competition in CGE Models: Technical Aspects and Implications," Computational Economics, Springer;Society for Computational Economics, vol. 28(1), pages 29-49, August.
    5. Hertel, Thomas, 1997. "Global Trade Analysis: Modeling and applications," GTAP Books, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University, number 7685, December.
    6. Zhai, Fan, 2008. "Armington Meets Melitz: Introducing Firm Heterogeneity in a Global CGE Model of Trade," Journal of Economic Integration, Center for Economic Integration, Sejong University, vol. 23, pages 575-604.
    7. Costas Arkolakis & Arnaud Costinot & Andres Rodriguez-Clare, 2012. "New Trade Models, Same Old Gains?," American Economic Review, American Economic Association, vol. 102(1), pages 94-130, February.
    8. Andrew B. Bernard & Stephen J. Redding & Peter K. Schott, 2007. "Comparative Advantage and Heterogeneous Firms," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 74(1), pages 31-66.
    9. Balistreri, Edward J. & Rutherford, Thomas F., 2013. "Computing General Equilibrium Theories of Monopolistic Competition and Heterogeneous Firms," Handbook of Computable General Equilibrium Modeling, in: Peter B. Dixon & Dale Jorgenson (ed.), Handbook of Computable General Equilibrium Modeling, edition 1, volume 1, chapter 0, pages 1513-1570, Elsevier.
    10. Francois, Joseph F., 1998. "Scale Economies And Imperfect Competition In The Gtap Model," Technical Papers 28718, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
    11. Marc J. Melitz, 2003. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," Econometrica, Econometric Society, vol. 71(6), pages 1695-1725, November.
    12. David Hummels & Peter J. Klenow, 2005. "The Variety and Quality of a Nation's Exports," American Economic Review, American Economic Association, vol. 95(3), pages 704-723, June.
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    Cited by:

    1. Oyamada, Kazuhiko, 2014. "Behavioral Characteristics of Applied General Equilibrium Models with an Armington-Krugman-Melitz Encompassing Module," Conference papers 332442, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
    2. Itakura, Ken & Oyamada, Kazuhiko, 2014. "Examining Trade Response of Armington-Krugman-Melitz Encompassing Module in a CGE Model," Conference papers 332513, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
    3. Itakura, Ken & Oyamada, Kazuhiko, 2016. "Trade Response of Armington-Krugman-Melitz Encompassing Module in a CGE Model: Case of the Trans- Pacific Partnership Agreement," Conference papers 332802, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.
    4. Oyamada, Kazuhiko, 2016. "Simulation analysis of the EU ELV/RoHS directives based on an applied general equilibrium model with Melitz-type trade specification," IDE Discussion Papers 587, Institute of Developing Economies, Japan External Trade Organization(JETRO).
    5. Kazuhiko Oyamada & Kaoru Nabeshima & Etsuyo Michida, 2015. "Analyses of EU RoHS/ELV Directives Based on an AGE Model with Melitz-type Trade Specification," EcoMod2015 8304, EcoMod.
    6. Kazuhiko Oyamada, 2014. "Behavioral Characteristics of Applied General Equilibrium Models with Flexible Trade Specifications Based on the Armington, Krugman, and Melitz Models," EcoMod2014 6704, EcoMod.
    7. Oyamada, Kazuhiko, 2015. "Behavioral characteristics of applied general equilibrium models with an Armington-Krugman-Melitz encompassing module," IDE Discussion Papers 525, Institute of Developing Economies, Japan External Trade Organization(JETRO).
    8. Oyamada, Kazuhiko & Nabeshima, Kaoru & Michida, Etsuyo, 2015. "Simulation Analysis of EU ELV/RoHS Directives Based on an Applied General Equilibrium Model with Melitz-type Trade Specification," Conference papers 332610, Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project.

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    More about this item

    Keywords

    Economics; Applied general equilibrium; Monopolistic competition; Firm heterogeneity; Calibration; Neutrality;
    All these keywords.

    JEL classification:

    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • C68 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computable General Equilibrium Models
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms

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