1 Running head: THE LONGER THE SEMESTER, THE WORSE THE SNACKS College Cafeteria Snack Food Sales Become Less Healthy With Each Passing Week of the Semester JULY 17, 2011 Brian Wansink 1 ; Ying Cao 1 ; Prerna Saini 1 ; Mitsuru Shimizu 1 ; David R. Just 1 1 Department of Applied Economics and Management, Cornell University, Ithaca NY Address for correspondence: Brian Wansink, PhD, Applied Economics and Management, Cornell University, 110 Warren Hall, Ithaca, NY 14853; Phone: (607) 254-6302; Fax: (607) 255-4776; E-mail: wansink@cornell.edu The published version of this working paper is: Wansink, Brian, Ying Cao, Prerna Saini, Mitsuru Shimizu, and David R. Just (2013), “College Cafeteria Snacks Food Purchases Become Less Healthy with Each Passing Week of the Semester,” Public Health Nutrition, 16:7 (July) 1291-1295