Considerable experimental evidence suggests that non-pecuniary motives must be addressed when modeling behavior in economic contexts. Recent models of non-pecuniary motives can be classified as either altruism-based, equity-based, or reciprocity-based. We estimate and compare leading approaches...

Many authors have discussed an apparent shift to a new employment contract characterized by less commitment between employer and employee, and closer ties between wages within the enterprise and those in the external labor market. We study the issue of when people in the U.S. and Canada feel pay...