March 13, 2006 Warm up Take out a sheet of paper and briefly answer these questions. You have 10 minutes. 1) Why have Americans historically joined labor unions? 2) How has the U.S. labor force changed in the last 60 years?

Cost-Benefit Analysis Minimizing Costs while Maximizing Benefits: The Prisoner’s Dilemma

5 Years in Prison Go Free Executed 10 Years in Prison Rat out your friend Stick by your friend

Go Free 5 years in prison each 10 years in prison each Executed Rat out your friend Stick by your friend

Rat out your friend Stick by your friend Execution 5 years in Prison 10 years in Prison 5 years in Prison Go Free 10 years in Prison

Go Free 5 years in prison each 10 years in prison each Executed Rat out your friend Stick by your friend