Explaining the electoral debacle of social democratic parties in Europe

Social democratic parties have experienced a sharp drop in support in several countries across Europe, underlined by the defeat of the German Social Democrats in last year's German federal elections and the collapse of the Socialist Party in the French presidential and legislative elections. James F. Downes and Edward Chan present data on the role that the financial crisis and the migration crisis have had in furthering the erosion of support for social democratic parties in Europe.