Household Behavior Below the Zero Lower Bound

How do households respond when deposit rates drop below zero? Using administrative micro data and exploiting cross-bank variation in interest rate policies, we study a major episode of negative deposit rates in Denmark affecting two thirds of household deposits. We find that households strongly reduced deposit balances when exposed to negative deposit rates, allocating funds to stock portfolios and consumption. In a large-scale survey, we document important roles for loss aversion, perceived unfairness, intertemporal substitution and return considerations in driving these responses. Our findings suggest that monetary policy can have strong consumption effects in negative territory.