The impact of AIFM on the markets in which they operate is largely beneficial, but recent financial difficulties have underlined how activities of AIFM may also serve to spread or amplify risks through the financial system. Uncoordinated national responses to these risks make the efficient management of these risks difficult. This Directive therefore aims at establishing common requirements governing the authorisation and supervision of AIFM in order to provide a coherent approach to the related risks and their impact on investors and markets in the European Union. .