The conventional wisdom in welfare economics is that temporal welfare analysis is impossible when tastes change. This paper, however, shows that temporal welfare analysis is possible, when agents exhibit the well-documented phenomenon of projection bias. Specifically, we provide the first...

We design a field experiment to test for price discrimination at seemingly highly competitive Israeli produce markets. We trained 90 buyers and sent them to produce markets across Israel. After verifying a product's posted price, they asked for a discount on a one-kilogram or one-unit purchase....