Ben Rejeb, Aymen; Arfaoui, Mongi - In: European journal of management and business economics : … 28 (2019) 3, pp. 301-322
breakpoints. The authors allow for efficiency and volatility spillovers to be time-varying and consider break dates to locate …/value The originality of this study is performed by the use of time-varying models for volatility spillovers and informational …