Impact of Brexit on bond yields and volatility spillover across France, Germany, UK, USA, and India’s debt markets

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Britain’s decision to exit the EU lead to disruptions in global markets. This study investigates the change in the return and volatility spillover pattern due to the repercussions of the Brexit vote between the US, France, the UK, Germany, and India’s 10-year government bond yields by applying the VAR and GARCH-BEKK models. The findings demonstrate a substantial rise in the return spillover to India and USA 10-year government bond yields following the Brexit vote compared to the pre-Brexit vote era. In addition, the results showed evidence of unidirectional volatility spillover from India to France, bidirectional volatility spillover between the USA and India, and unidirectional volatility spillover from the UK to India 10-year government bond market post-Brexit vote. However, there was no interconnection between these markets before the Brexit vote. Therefore, the Brexit vote did affect and significantly increased the linkage between the US, France, the UK, and India’s 10-year government bond market. The increase in correlation in India-US, India-UK, and India-France’s 10-year government bond markets will help predict and have an important implication for hedgers, decision-makers, and portfolio managers if similar political events occur in the future.

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    • Figure 1. Pre-Brexit vote era bond yield
    • Figure 2. Post-Brexit vote era bond yield
    • Table 1. Descriptive statistics of 10-year government bond yields at first difference
    • Table 2. Correlation matrix between bond yields at first difference
    • Table 3. VAR parameters for the pre-Brexit vote era
    • Table 4. VAR parameters for the post-Brexit vote era
    • Table 5. Estimation of bivariate GARCH-BEKK model parameters
    • Conceptualization
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Data curation
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Formal Analysis
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Funding acquisition
      Sangeetha G Nagarakatte
    • Investigation
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Methodology
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Project administration
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Resources
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Software
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Validation
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Visualization
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Writing – original draft
      Sangeetha G Nagarakatte
    • Writing – review & editing
      Sangeetha G Nagarakatte, Natchimuthu Natchimuthu
    • Supervision
      Natchimuthu Natchimuthu