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US external debt sustainability revisited: Bayesian analysis of extended Markov switching unit root test

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  • Takeuchi, Fumihide

Abstract

The sustainability of US external debt, which has been an issue of global concern, is analyzed using a Markov switching (MS) unit root test applied to the flow of debt, i.e., the current account. The first to apply the MS unit root test to the issue of US external debt in order to examine local stationarity and global stationarity were Raybaudi et al. (2004). This paper introduces an extended MS unit root test where the transition probability is time-varying rather than fixed, as is usually the case, and the change of probability is explained by the real exchange rate, which theory suggests has a close relationship with the external balance. The extended MS unit root test calculated by the Markov Chain Monte Carlo (MCMC) method provides us with new insights on the issue of US external debt in recent years, suggesting that even though the debt/current account-GDP ratio remains relatively high, the probability of stationarity (sustainability) is unexpectedly high when recent US dollar depreciation is taken into account.

Suggested Citation

  • Takeuchi, Fumihide, 2010. "US external debt sustainability revisited: Bayesian analysis of extended Markov switching unit root test," Japan and the World Economy, Elsevier, vol. 22(2), pages 98-106, March.
  • Handle: RePEc:eee:japwor:v:22:y:2010:i:2:p:98-106
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    Cited by:

    1. Chen, Shyh-Wei & Xie, Zixiong, 2015. "Testing for current account sustainability under assumptions of smooth break and nonlinearity," International Review of Economics & Finance, Elsevier, vol. 38(C), pages 142-156.
    2. Chen, Shyh-Wei, 2014. "Smooth transition, non-linearity and current account sustainability: Evidence from the European countries," Economic Modelling, Elsevier, vol. 38(C), pages 541-554.
    3. Evan Lau & Ahmad Zubaidi Baharumshah & Soon, 2013. "The behavior of external debt in Asian countries: evidence based on panel unit root tests," Journal of Business Economics and Management, Taylor & Francis Journals, pages 377-394.
    4. Ismet GOCER & Mehmet MERCAN, 2016. "Which country after Greece? Sustainability of budget deficits in selected EU countries: A panel cointegration analysis with multiple structural breaks under cross-section dependence," Theoretical and Applied Economics, Asociatia Generala a Economistilor din Romania - AGER, vol. 0(3(608), A), pages 205-220, Autumn.
    5. Ismet GOCER & Mehmet MERCAN, 2016. "Which country after Greece? Sustainability of budget deficits in selected EU countries: A panel cointegration analysis with multiple structural breaks under cross-section dependence," Theoretical and Applied Economics, Asociatia Generala a Economistilor din Romania - AGER, pages 205-220.
    6. Cevik, Emrah Ismail & Dibooglu, Sel, 2013. "Persistence and non-linearity in US unemployment: A regime-switching approach," Economic Systems, Elsevier, vol. 37(1), pages 61-68.
    7. Mei-Yin Lin, 2014. "The Sustainability of External Debt in OECD Countries: Evidence from Quantile Autoregression," Research in World Economy, Research in World Economy, Sciedu Press, vol. 5(2), pages 31-42, September.

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