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Persistence in ESG and conventional stock market indices
(Springer Nature, 2022) Caporale, G.M.; Gil-Alana, L.; Пластун, Олексій Леонідович; Пластун, Алексей Леонидович; Plastun, Oleksii Leonidovych; Макаренко, Інна Олександрівна; Макаренко, Инна Александровна; Makarenko, Inna Oleksandrivna
This paper uses R/S (Rescaled Range) analysis and fractional integration techniques to examine the persistence of two sets of 12 ESG (Environmental, Social and Governance) and conventional stock price indices from the MSCI (Morgan Stanley Capital International) database over the period 2007–2020 for a large number of both developed and emerging markets. Both sets of results imply that there are no signifcant diferences between the two types of indices in terms of the degree of persistence and its dynamic behaviour. However, higher persistence is found for the emerging markets examined (especially the BRICS, i.e. Brazil, Russia, India, China and South Africa), which suggests that they are less efcient and thus ofer more opportunities for proftable trading strategies. Possible explanations for these fndings include diferent type of companies’ ‘camoufage’ and ‘washing’ (green, blue, pink, social, and Sustainable Development Goals—SDG) in the presence of rather lax regulations for ESG reporting.