Vincent Réquillart, Michel Simioni, and Xose-Luis Varela-Irimia, “Imperfect Competition in the Fresh Tomato Industry”, IDEI Working Paper, n. 498, 2008, revised February 25, 2009.
Céline Bonnet, Pierre Dubois, and Michel Simioni, “Two-Part Tariffs versus Linear Pricing between Manufacturers and Retailers: Empirical Tests on Differentiated Products Markets”, IDEI Working Paper, n. 370, June 2004, revised April 2006.