The Effect of Sales Promotions on Size and Composition of the Shopping Basket: Regulatory Compatibility from Framing and Temporal Restrictions Suresh Ramanathan Sanjay K. Dhar* Suresh Ramanathan is associate professor of marketing at the University of Chicago Booth School of Business, 5807 S. Woodlawn Ave., Chicago IL 60637, Ph: (773) 285-0287, Fax: (773) 702-0458, email: suresh.ramanathan@chicagobooth.edu , and Sanjay K. Dhar is the James H. Lorie Professor of Marketing at the University of Chicago Booth School of Business, 5807 S. Woodlawn Ave., Chicago IL 60637, Ph: (773)702-3005, Fax: (773) 702-0458, email: sanjay.dhar@chicagobooth.edu .