![Supplement, Papers and Proceedings of the Fortieth Annual Meeting of the American Economic Association || Marketing]()
Supplement, Papers and Proceedings of the Fortieth Annual Meeting of the American Economic Association || MarketingC. E. Griffin, Melvin T. Copeland, F. E. Clark, Edward A. Filene, Theodore N. Beckman, Harry R. Tosdal and Carl N. Schmalz · The American Economic Review · 1928