Our evidence is based on the everyday consumption choices of the typical household, and thus constitutes an important contribution to the body of evidence from previous studies, which have focused on various sub-populations and different choice domains. ., previous studies have used data on health club members (DellaVigna and Malmendier, 2003), smokers (Gruber and Koszegi, 2001; Gruber and Mullainathan, 2002), unemployed job searchers (DellaVigna, 2005), potential welfare participants (Fang and Silverman, 2004), food stamp recipients (Shapiro, 2005), and payday loan recipients (Skiba and Tobacman, 2005). Angeletos et al (2001) and Laibson, Rapetto and Tobacman (2003) also find evidence of dynamic inconsistency, based on life-cycle consumption and savings behavior