How can we decide?: (1) Prisoners' dilemma.

http://www.thebulletin.org/web-edition/columnists/kurt-zenz-house/opec-and-the-prisoners-dilemma

This reading analyzes the feasible decision-making solutions for oil-supplier nations. As a majority of OPEC nations are highly dependent upon oil for their survival of economy, they are exposed to high risk of "betrayal" rather than "cooperation" for higher oil prices. An interesting article.