Università degli Studi del Molise Dipartimento di Scienze Economiche, Gestionali e Sociali (SEGeS) ECONOMICS & STATISTICS DISCUSSION PAPER No. 059/11 FDR Control in the Presence of an Unknown Correlation Structure Roy Cerqueti Mauro Costantini Claudio Lupi The Economics & Statistics Discussion Papers are preliminary materials circulated to stimulate discussion and critical comment. The views expressed in the papers are solely the responsibility of the authors.