Boya, Christophe Musitelli - In: International Journal of Financial Studies : open … 13 (2025) 3, pp. 1-24
This paper investigates the time-varying efficiency of Western European stock markets and examines how macroeconomic events defined as endogenous and exogenous shocks influence the degree of efficiency by either long-range dependence or mean reverting. We apply a rolling-window detrended...