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Co-movements of returns in the health care sectors from the US, UK, and Germany stock markets: Evidence from the continuous wavelet analyses

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  • Chen, Mei-Ping
  • Chen, Wen-Yi
  • Tseng, Tseng-Chan

Abstract

As the health care sector is one of the largest and fastest growing industries around the world, this study utilizes the wavelet approach to investigate the co-movement of returns in this sector from the US, UK, and Germany stock markets over the period of 1992–2013. Our results suggest that the return of the health care sector in the UK (US) stock market leads those in the US and Germany (Germany) stock markets in the short run and medium run, while the returns of the health care sector in the US stock market lead those in the UK stock market in the long run. We find the least (most) structural change in the return of the health care sector for the UK (US) stock market, as both countries belong to two extreme (i.e., public and private) health care systems. There is also an overall increase of long-run interdependence between UK and US health care sectors. Both the subprime mortgage crisis and global financial crisis caused clear contagion effects between the health care sectors of DE and UK as well as those of US and DE. Finally, our results highlight the importance of taking into consideration the time and frequency-varying properties of health care sectors’ stock return co-movement in international portfolios.

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  • Chen, Mei-Ping & Chen, Wen-Yi & Tseng, Tseng-Chan, 2017. "Co-movements of returns in the health care sectors from the US, UK, and Germany stock markets: Evidence from the continuous wavelet analyses," International Review of Economics & Finance, Elsevier, vol. 49(C), pages 484-498.
    • Handle: RePEc:eee:reveco:v:49:y:2017:i:c:p:484-498
    DOI: 10.1016/j.iref.2017.02.009
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    More about this item

    Keywords

    Co-movement; Continuous wavelet analysis; Health care; Partial coherency; Phase-difference; Sector returns;
    All these keywords.

    JEL classification:

    • C40 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - General
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets

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