Milkman, K. L., Rogers, T., &Bazerman, M. H. (2010). I’ll have the ice cream soon and the vegetables later: A study of online grocery purchases and order lead time. Marketing Letters, 21(1), 17-35.
How do decisions made for tomorrow or 2 days in the future differ from decisions made for several days in the future? We use data from an online grocer to address this question. In general, we find that as the delay between order completion and delivery increases, grocery customers spend less, order a higher percentage of “should” items (e.g., vegetables), and order a lower percentage of ...