A publisher uses an honor system for selling a newspaper in the street. The customers are supposed to pay, but they can also pay less than the price or not pay at all. We conduct an experiment to study honesty in this market. The results show that appealing to honesty increases payments, whereas...

Credence goods are characterized by informational asymmetries between sellers and consumers that invite fraudulent behavior by sellers. This paper presents the results of a natural field experiment on taxi rides in Athens, Greece, set up to measure different types of fraud and to examine the...

We investigate the role of respect and monetary gifts in the service industry. We report findings from purchases of more than 800 doner durum, a common lunch snack. Prior to the food’s preparation, we either give a compliment about the product, or a monetary gift by tipping. We repeat the...