This paper reviews existing studies, indexes and databases dealing with the design and effects of the social, fiscal and economic measures in multilevel systems. It addresses general issues around crisis management in multilevel systems general in terms as well as in relation to the social, economic and fiscal measures introduced during the pandemic. The paper also focuses on the role of domestic and transnational governance arrangements in dealing with Covid-19. The review provides an important source to examine policy responses in the context of our study of the legitimacy of social, economic and fiscal measures in multilevel systems.