I analyze the evolution of organizations that allow free entry and exit of members, such as cities, trade unions, sports clubs and cooperatives. Current members choose a policy for the organization, but this, in turn, may lead to new agents joining or dissatisfied members leaving, yielding a new set of policymakers tomorrow.
Germán Gieczewski: Policy Persistence and Drift in Organizations
Leeat Yariv: Affirmative Action in the Lab
We present results from laboratory experiments studying the impacts of affirmative- action policies. We induce statistical discrimination in simple labor-market interactions between firms and workers. We then introduce affirmative-action policies that vary in the size and duration of a subsidy firms receive for hiring discriminated-against...
PE Students on the Market: Ted Enamorado
Integrating information from multiple sources plays a key role in social science research.
Thomas Fujiwara: The Origins of Human Pro-Sociality
Human pro-sociality towards non-kin is ubiquitous and almost unique in the animal kingdom. It remains poorly understood, though a proliferation of theories has arisen to explain it. We present evidence from survey data and from laboratory treatment of experimental subjects that is consistent with a set of theories based on group level selection...