1974, Maurice Duverger, Modern democracies: economic power versus political power, linkThe old ruling classes were no longer the major obstacles to the development of plutodemocracy; they were replaced by the new oppressed class, the proletariat, which was beginning to become sufficiently powerful to threaten capitalism.
1977, Harold Joseph Laski, The American democracy: a commentary and an interpretation, linkIt can no more survive as a plutodemocracy than it could, before the Civil War, survive half slave and half free.
1992, Asahi Shinbunsha, Japan quarterly: Volume 39; Volume 39, linkIf the people are the basis of money politics, then Japan must be a plutodemocracy.
2010, Jonathan Littell, The Kindly Ones: A Novel, page 506Reds, sweeping aside the garbage of plutodemocracy, and dissolving the bourgeois parties, I remained stuck in France.