A new and excellent study by the European Central Bank answers the question ! (link below). Among the authors is Dilyara Salakhova from the Banque de France. The scope includes 1,838 European-domiciled equity funds practicing active management, half of them without an ESG strategy (Article 6). To make their choice, savers have references : the 5 Morningstar strategies (leading global agency), SFDR articles (european regulation), fund names. But, according to the authors, thes