Disclaimer. Don't rely on these old notes in lieu of reading the literature, but they can jog your memory. As a grad student long ago, my peers and I collaborated to write and exchange summaries of political science research. I posted them to a wiki-style website. "Wikisum" is now dead but archived here. I cannot vouch for these notes' accuracy, nor can I say who wrote them.
Rose. 2000. The end of consensus in Austria and Switzerland. Journal of democracy 11 (April): 26-40.
A response to Lijphart's Patterns of Democracy.
Extremist parties have gained strength in Austria and Switzerland, not because people are suddenly racist, but because the two main parties have monopolized the government for the past several decades with their permanent coalition--leaving them free to misgovern. People vote for fringe parties--thus expanding the presence in parliament lately--as a protest vote, because competition has been "stifled in the name of consensus"
Still, his recommendations are not all completely at odds with consociationalism. (To be precise, he is attacking consensus democracy, not consociationalism; "consensus" is Lijphart's term for a set of behavioral things (like having Grand Coalitions) that go along with consociational institutions.) In particular, he recommends:
Research by the same authors
Research on similar subjects