But their economic policies – anti-market and fearful that liberal capitalism and globalization will erode national identity and sovereignty – have many elements in common with populist parties of the left, such as Syriza in Greece (before its capitulation to its creditors), Podemos in Spain, and Italy’s Five Star Movement. Indeed, just as many supporters of radical leftist parties in the 1930s made a U-turn and ended up supporting authoritarian parties of the right, the economic ideologies of today’s populist parties seem to converge in many ways.