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Tests of Parameters Instability: Theoretical Study and Empirical Analysis on Two Types of Models (ARMA Model and Market Model)

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  • Sahbi FARHANI

    (Faculty of Economic Sciences and Management of Tunis, University of Tunis El Manar, Tunisia.)

Abstract

This paper considers tests of parameters instability and structural change with known, unknown or multiple breakpoints. The results apply to a wide class of parametric models that are suitable for estimation by strong rules for detecting the number of breaks in a time series. For that, we use Chow, CUSUM, CUSUM of squares, Wald, likelihood ratio and Lagrange multiplier tests. Each test implicitly uses an estimate of a change point. We conclude with an empirical analysis on two different models (ARMA model and simple linear regression model SLRM ).

Suggested Citation

  • Sahbi FARHANI, 2012. "Tests of Parameters Instability: Theoretical Study and Empirical Analysis on Two Types of Models (ARMA Model and Market Model)," International Journal of Economics and Financial Issues, Econjournals, vol. 2(3), pages 246-266.
    • Handle: RePEc:eco:journ1:2012-03-3
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Farhani, Sahbi & Chaibi, Anissa & Rault, Christophe, 2014. "CO2 emissions, output, energy consumption, and trade in Tunisia," Economic Modelling, Elsevier, vol. 38(C), pages 426-434.
    2. Farhani, Sahbi & Shahbaz, Muhammad & Arouri, Mohamed & Teulon, Frédéric, 2014. "The role of natural gas consumption and trade in Tunisia's output," Energy Policy, Elsevier, vol. 66(C), pages 677-684.
    3. Benedict Belobo Ateba & Johannes Jurgens Prinsloo, 2018. "The Electricity Security in South Africa: Analysing Significant Determinants to the Grid Reliability," International Journal of Energy Economics and Policy, Econjournals, vol. 8(6), pages 70-79.
    4. Emilian DOBRESCU, 2017. "Modelling an Emergent Economy and Parameter Instability Problem," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(2), pages 5-28, June.
    5. repec:ipg:wpaper:201415 is not listed on IDEAS
    6. Sahbi Farhani & Anissa Chaibi & Christophe Rault, 2014. "A study of CO2 emissions, output,energy consumption, and trade," Working Papers 2014-56, Department of Research, Ipag Business School.
    7. repec:ipg:wpaper:2014-582 is not listed on IDEAS
    8. repec:ipg:wpaper:2014-057 is not listed on IDEAS
    9. Arjun & Bibhuti Ranjan Mishra, 2024. "Testing the Balanced Growth Hypothesis in the Presence of Structural Breaks: Evidence from Developed and Developing Countries," Prague Economic Papers, Prague University of Economics and Business, vol. 2024(1), pages 1-35.
    10. repec:ipg:wpaper:2014-056 is not listed on IDEAS

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    More about this item

    Keywords

    Tests of parameters instability; Structural change; Breakpoints; ARMA model; SLRM;
    All these keywords.

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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