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Time Varying VAR Analysis for Disaggregated Exchange Rate Pass-through in Tunisia

Author

Listed:
  • Dahem, Ahlem
  • Skander, Slim
  • Fatma, Siala Guermazi

Abstract

Our paper follows the "Time Varying Parameter VAR with Stochastic Volatility" (TVP VAR) approach developed by Primiceri (2005): Bayesian estimation with time varying coefficients and stochastic volatility. Our paper contributes to the literature by examining if the impact of monetary and exchange rate shocks have varied over time in Tunisia through a disaggregated analysis of exchange rate pass-through by introducing time variability in two ways; firstly, by assuming That all the coefficients of the VAR model are variant in time, and secondly, in the temporal variance-covariance matrix, that is the error term’s volatility of the VAR model. The multivariate stochastic volatility aims at capturing the heteroskedasticity of shocks and non linearities in the simultaneous relationships between the variables of the model. In fact, it allows us to capture abrupt and progressive changes in state variables. Given the structural and institutional changes in the Tunisian economy over the last few decades, it is important to emphasize the possibility of such a temporal variation in the empirical methodology. To the best of our knowledge, this work is among the first to apply the TVP-VAR approach with stochastic volatility to the shocks of monetary and exchange rate policies in Tunisia. Overall, the findings confirm that the modeling approch; i.e the TVP-VAR, is the best tool to analyze the impact of these shocks in Tunisia. The results of the study can help the short- and long-term decision-makers in Tunisia to adopt appropriate strategies for conducting monetary policy as well as containing inflation.

Suggested Citation

  • Dahem, Ahlem & Skander, Slim & Fatma, Siala Guermazi, 2017. "Time Varying VAR Analysis for Disaggregated Exchange Rate Pass-through in Tunisia," MPRA Paper 79759, University Library of Munich, Germany, revised 2017.
  • Handle: RePEc:pra:mprapa:79759
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    References listed on IDEAS

    as
    1. Charl Jooste & Yaseen Jhaveri, 2014. "The Determinants of Time-Varying Exchange Rate Pass-Through in South Africa," South African Journal of Economics, Economic Society of South Africa, vol. 82(4), pages 603-615, December.
    2. Fabio Canova & Matteo Ciccarelli, 2009. "Estimating Multicountry Var Models," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 50(3), pages 929-959, August.
    3. Koop, Gary & Korobilis, Dimitris, 2010. "Bayesian Multivariate Time Series Methods for Empirical Macroeconomics," Foundations and Trends(R) in Econometrics, now publishers, vol. 3(4), pages 267-358, July.
    4. Ben Ali Samir & Jardak Tarek, 2014. "Exchange rate pass-through in Tunisia: evidence from a time varying parameter model," Journal of Developing Areas, Tennessee State University, College of Business, vol. 48(1), pages 145-164, January-M.
    5. Shioji, Etsuro, 2015. "Time varying pass-through: Will the yen depreciation help Japan hit the inflation target?," Journal of the Japanese and International Economies, Elsevier, vol. 37(C), pages 43-58.
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    More about this item

    Keywords

    TVP VAR approach – Bayesian estimation – Disaggregate Analysis – Exchange rate Pass-through – Monetary policy – Tunisia;

    JEL classification:

    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • O55 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - Africa

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