Peter Boettke presents the key development schools of thought in the political and social sciences. He talks about the work of both Elinor and Vincent Ostrom, commenting on Elinor and her emphasis in the universal element of diversity, one which rules society and governance. Then, he explains the social cooperation process; stressing the division of labor, the importance of exchange and institutions, and the constitutional contracts. Finally, he comments on the implications of teaching policy analysis and explains Ostrom's multiple method methodology.