How does fat consumption influence the consumption of companion foods such as bread? Adult restaurant goers who were randomly given olive oil for their bread used 26% more oil on each piece of bread compared to those who were given block butter, but they ended up eating 23% less bread in total....

An estimated one in three American households has to carefully plan their budgets and spend accordingly. Budget-allocation and spending-behavior models often implicitly assume that budget-constrained shoppers are knowledgeable about the total price of their shopping basket as they shop (Bénabou...

Although almost one in three U.S. households shops on a budget, it remains unclear whether and how shoppers track their in-store spending to stay within those budgets. A field study and two laboratory studies offer four key generalizations about budget shoppers in grocery stores: (1) They...