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Inflation Dynamics and Trade Openness

Author

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  • Aron, Janine
  • Muellbauer, John

Abstract

It is difficult to obtain reliable measures of evolving openness to trade, despite its relevance to models of growth, inflation and exchange rates. Our innovative technique measures trade openness encompassing both observable trade policy (tariffs and surcharges) and unobservable trade policy (quotas and other non-tariff barriers), and such factors as capital controls, sanctions and dual exchange rates (often used in composite trade measures). The share of manufactured imports in home demand for manufactured goods is estimated in STAMP (Koopman et al., 2000) using measured trade policy and controlling for fluctuations in domestic demand, relative prices of imports and the exchange rate. The unmeasured trade policy component is captured by a smooth non-linear stochastic trend. The two elements of openness, the stochastic trend and the rates of tariffs and surcharges, are included in a model of wholesale price inflation in South Africa. The evidence suggests that increased openness has significantly reduced the mean inflation rate and has reduced the exchange rate pass-through into wholesale prices.

Suggested Citation

  • Aron, Janine & Muellbauer, John, 2007. "Inflation Dynamics and Trade Openness," CEPR Discussion Papers 6346, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:6346
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    References listed on IDEAS

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    1. Rose, Andrew K., 2004. "Do WTO members have more liberal trade policy?," Journal of International Economics, Elsevier, vol. 63(2), pages 209-235, July.
    2. Wacziarg, Romain, 1998. "Measuring the dynamic gains from trade," Policy Research Working Paper Series 2001, The World Bank.
    3. Jeffrey D. Sachs & Andrew Warner, 1995. "Economic Reform and the Process of Global Integration," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 26(1, 25th A), pages 1-118.
    4. Summers, Robert & Heston, Alan, 1988. "A New Set of International Comparisons of Real Product and Price Levels Estimates for 130 Countries, 1950-1985," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 34(1), pages 1-25, March.
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    Citations

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    Cited by:

    1. Aron, Janine & Farrell, Greg & Muellbauer, John & Sinclair, Peter, 2010. "Exchange Rate Pass-through and Monetary Policy in South Africa," CEPR Discussion Papers 8153, C.E.P.R. Discussion Papers.
    2. Janine Aron & John Muellbauer, 2009. "Monetary Policy and Inflation Modeling in a More Open Economy in South Africa," Chapters,in: Monetary Policy Frameworks for Emerging Markets, chapter 15 Edward Elgar Publishing.
    3. Jørn Rattsø & Hildegunn e. Stokke, 2007. "A Growth Model For South Africa," South African Journal of Economics, Economic Society of South Africa, vol. 75(4), pages 616-630, December.
    4. Janine Aron & John Muellbauer, 2009. "Some Issues in Modeling and Forecasting Inflation in South Africa," CSAE Working Paper Series 2009-01, Centre for the Study of African Economies, University of Oxford.
    5. Janine Aron & Kenneth Creamer & John Muellbauer & Neil Rankin, 2014. "Exchange Rate Pass-Through to Consumer Prices in South Africa: Evidence from Micro-Data," Journal of Development Studies, Taylor & Francis Journals, vol. 50(1), pages 165-185, January.
    6. Aram Sepehrivand & Jabar Azizi, 2016. "The Effect of Trade Openness on Inflation in D-8 Member Countries with an Emphasis on Romer Theory," Asian Journal of Economic Modelling, Asian Economic and Social Society, vol. 4(4), pages 162-167, December.
    7. Janine Aron & John n. j. Muellbauer & Coen Pretorius, 2009. "A Stochastic Estimation Framework For Components Of The South African Consumer Price Index," South African Journal of Economics, Economic Society of South Africa, vol. 77(2), pages 282-313, June.

    More about this item

    Keywords

    inflation dynamics; modelling inflation; trade openness;

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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