Problems of cooperation have often been simplified as the choice between defection and cooperation, although in many … questionable whether known solutions to the problem of cooperation, such as punishment could still work, given the limited … sanctioning potential it imposes on free riders. We present the results of two experiments with non-student subjects who play …

We run a public good experiment in the field and in the lab with (partly) the same subjects. The field experiment is a … true natural field experiment as subjects do not know that they are exposed to an experimental variation. We can show that … subjects' behavior in the classic lab public good experiment correlates with their behavior in the structurally comparable …

' purchase decisions (whether to buy, and if so how much to pay) in a natural experiment at an online music store with PWYW …%. The experiment suggests that even low levels of social pressure without face to face interaction on customers leads to a …

, Ultimatums, and Punishment - Michael D. Gurven -- Chapter 9. Fairness Without Punishment: Behavioral Experiments in the Yasawa …