I study a single-agent dynamic purchase problem by using a Gul and Pesendorfer’s [Gul, F., Pesendorfer, W., 2007. Harmful addiction. Review of Economic Studies 74 (1), 147–172] dynamic preference: extreme self-control cannot be sustained and leads to addiction. This type of agent exhibits...

We elicit human conditional punishment types by conducting experiments. We find that their punishment decisions to an individual are on average significantly positively proportional to other members’ punishment decisions to that individual.

It has been shown that participants in the dictator game are less willing to give money to the other participant when their choice set also includes the option to take money. We examine whether this effect is due to the choice set providing a signal about entitlements in a setting where...

We use the strategy method to classify subjects into cooperator types in a large-scale online Public Goods Game and find that free riders spend more time on making their decisions than conditional cooperators and other cooperator types. This result is robust to reversing the framing of the game...

We examine the role of consumer networks in markets that suffer from moral hazard. Consumers exchange information with neighbors about past experiences with different sellers. Networks foster incentives for reputation building and enhance trust and efficiency in markets.