Does mental accounting matter for total consumption expenditures? We exploit a unique setting in which individuals exogenously received a new credit card, without requesting one. Using random variation in the time of receipt we show that individuals temporarily increase total consumption...

Digital technologies and fintech firms have rapidly reshaped the consumer financial landscape in recent years, and have the potential to help consumers make better decisions and improve their financial health. Existing technologies such as autopay are also experiencing increased takeup, a trend...