Affiliation: | a Von Allmen Center for Green Marketing, Bloomfield Professor of Marketing, 425-L B & E Building, Carol Martin Gatton College of Business and Economics, University of Kentucky, Lexington, KY 40506-0034, USA b BI Norwegian School of Management, Center for Advanced Research in Retailing, Department of Marketing, Nydalsveien 37, N-0442 Oslo, Norway |