Vohs, K. D., Wang, Y., Gino, F., &Norton, M. I. (2013). Rituals enhance consumption. Psychological Science, 24(9), 1714-1721.

Four experiments tested the novel hypothesis that ritualistic behavior potentiates and enhances ensuing consumption—an effect found for chocolates, lemonade, and even carrots. Experiment 1 showed that participants who engaged in ritualized behavior, compared with those who did not, evaluated chocolate as more flavorful, valuable, and deserving of behavioral savoring. Experiment 2 demonstrated that random gestures …

Carroll, C. D., Overland, J., & Weil, D. N. (2000). Saving and growth with habit formation. American Economic Review, 90(3), 341-355.

Saving and growth are strongly positively correlated across countries. Recent empirical evidence suggests that this correlation holds largely because high growth leads to high saving, not the other way around. This evidence is difficult to reconcile with standard growth models, since forward-looking consumers with standard utility should save less in a fast-growing economy because they …