Democratic theory considers it fundamental for parties in government to be both responsive to their electorate and responsible to internal and international constraints. But recently these two roles have become more and more incompatible with Mair's growing divide in European party systems between parties which claim to represent, but don't deliver, and those which deliver, but are no longer seen to represent truer than ever.

The volume contains a qualitative and quantitative analysis of the behaviour of the opposition parties in eleven European democracies across Western and East...