Radical Right-Wing Populist Parties in Western Europe: Into the Mainstream?

Radical right-wing populist parties, such as Geert Wilders’ Party for Freedom, Marine Le Pen’s National Front or Nigel Farage’s UKIP, are becoming increasingly influential in Western European democracies. Their electoral support is growing, their impact on policy-making is substantial, and in recent years several radical right-wing populist parties have assumed office or supported minority governments.

Are these developments the cause and/or consequence of the mainstreaming of radical right...