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A Time-Series Investigation of the U.S. Real Health Expenditure: Evidence from Nonlinear Unit Root Tests

  • Vasudeva Murthy

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    This paper contributes to the literature on health expenditure studies by applying the non-linear unit root tests formulated recently by Kapetanios et al. (Journal of Econometrics 112(2):359–79, 2003 ) to empirically test whether the U.S. real health expenditure time-series are non-stationary or non-linear and globally stationary during a relatively long period from 1965 to 2009. For comparison purposes, it also reports the results of a battery of traditional linear unit root tests and the Lee and Strazicich’s minimum LM unit root (Review of Economics and Statistics 85(4):1082–1089, 2003 ) test for structural breaks. The empirical findings of the paper show that in the United States during the period under investigation, the real health expenditure time-series are non-stationary in levels. Policy implications of the empirical findings are discussed. Copyright International Atlantic Economic Society 2012

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    Article provided by International Atlantic Economic Society in its journal International Advances in Economic Research.

    Volume (Year): 18 (2012)
    Issue (Month): 4 (November)
    Pages: 429-438

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    Handle: RePEc:kap:iaecre:v:18:y:2012:i:4:p:429-438
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    1. Potrafke, Niklas, 2010. "The growth of public health expenditures in OECD countries: Do government ideology and electoral motives matter?," Munich Reprints in Economics 19280, University of Munich, Department of Economics.
    2. Robin L. Lumsdaine & David H. Papell, 1997. "Multiple Trend Breaks And The Unit-Root Hypothesis," The Review of Economics and Statistics, MIT Press, vol. 79(2), pages 212-218, May.
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    5. Kapetanios, George & Shin, Yongcheol & Snell, Andy, 2003. "Testing for a unit root in the nonlinear STAR framework," Journal of Econometrics, Elsevier, vol. 112(2), pages 359-379, February.
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