PSYC 3100 Lecture Notes - Lecture 16: Frequency-Dependent Selection, Public Goods Game, Public Good

• School: University of Guelph
• Department: Psychology
• Course: PSYC 3100
• Professor: Pat Barclay

Document Summary

Public good = individuals expend some effort to provide (everyone benefits: ex. radio, predator being driven away by a prey and other other prey benefit, ex. hunters meat. Tragedy of the commons: common grazing ground that people can put their sheep on (rational incentive to put more sheep on than the commons can support this over exploits/degrades it) These games form a common language where 4 people are brought into a lab (each person given 10 dollars) and everyone can contribute any number of these dollars to the public good. Punishment is consistent throughout the game (bad guys remain getting punished at end of game) Nice guys sometimes get punished (anti-social punishment: punishment of cooperation. Without punishment cooperation tend to drop (cooperation becomes higher with punishment (cid:271)/(cid:272) it does(cid:374)"t pay to defe(cid:272)t a(cid:374)y(cid:373)ore (cid:272)ooperators realize it"s safe to cooperate now)