Tsakalotos has been described as a "Marxist",[REF][REF] and Ovenden has written that "While Keynes is the main economic reference point for Varoufakis, who opposed the Brussels deal, for Tsakalotos, who signed it, Marx is more that guide to economic and political analysis."[REF]
Tsakalotos has been described as a "Revolutionary Europeanist", as he supports European Union integration but not its capitalist principles.