 As a comparative social scientist, Marin is working on modern welfare societies, social security systems and their sustainability, on innovative employment initiatives, health, care and disability policies, as well as on pension reforms.He empirically analyses knowledge production and economic policy-making, focuses on changes and innovations in the labour markets and gender roles.Marin's role in the Austrian political campus is quite unique - as became clear for example during the controversial debates on pension reform, when all political parties relyed on his expertise.