This expanded edition of the fall 1994 special issue of October includes new essays by Sarat Maharaj and by Molly Nesbit and Naomi Sawelson-Gorse. It also includes the transcript of an exchange between T. J. Clark and Benjamin Buchloh which presents new responses to the problems raised by this immediately popular (and now out of print) issue of the journal. The Duchamp Effect is an investigation of the historical reception of the work of Marcel Duchamp...