In this paper we study the complete evolution of a final-offer arbitration system used in New Jersey with data we have systematically collected over the 18-year life of the program. Covering the wages of police officers and firefighters, this system provides virtually a laboratory setting for...

What makes diversity unifying in some settings but divisive in others? We examine how the mixing of ethnic groups in German schools affects intergroup cooperation and trust. We leverage the quasi-random assignment of students to classrooms within schools to obtain variation in the type of...

Disability Insurance (DI) programs have long been criticized by economists for apparent work disincentives. Some countries have recently modified their programs such that DI recipients are allowed to keep some of their benefits if they return to work, and other countries are considering similar...

In this paper we study the complete evolution of a final-offer arbitration system used in New Jersey with data we have systematically collected over the 18-year life of the program. Covering the wages of police officers and firefighters, this system provides virtually a laboratory setting for...

Economists and psychologists argue that individuals skew personal beliefs to accord with their own interests. To test for the presence of self-serving beliefs, we surveyed 1,200 members of the Mormon church about their practice of tithing. A tithe is a voluntary contribution equal to ten percent...

In this paper we study the complete evolution of a final-offer arbitration system used in New Jersey with data we have systematically collected over the 18-year life of the program. Covering the wages of police officers and firefighters, this system provides virtually a laboratory setting for...

Disability Insurance (DI) programs have long been criticized by economists for apparent work disincentives. Some countries have recently modified their programs such that DI recipients are allowed to keep some of their benefits if they return to work, and other countries are considering similar...