This paper analyzes grading competition between instructors of elective courses when students shop for high course scores, the instructors maximize class size, and the school imposes a ceiling on mean course scores to limit grade inflation. Under this grading norm, we demonstrate that curriculum...

This note paper considers briefly whether dictator games are a good tool to measure altruism. The answer is negative: behavior in dictator games is seriously confounded by what I shall label experimenter demand effects. Section 2 briefly defines dictator games and reviews some of its purported...

We present evidence against the standard assumptions that social preferences are stable and can be measured in a reliable, nonintrusive manner. We find evidence that measures of social preferences can affect subsequent behavior. Researchers often measure social preferences by posing dictator...

In the public goods game, players can be classified into different types according to their participation in the game. It is an important issue for economists to be able to measure players' strategy changes over time which can be considered as concept drift. In this study, we present a method...