Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
While peer punishment has been shown to increase group cooperation, there is open debate on how cooperative norms can emerge and on what motives drive individuals to punish. In a public good experiment we compared alternative punishment institutions and found (1) higher cooperation levels under a consensual punishment institution than under autonomous individual punishment; (2) similar cooperation levels under sequential and simultaneous punishment institutions.