Beyond Markets and States: Polycentric Governance of Complex Economic Systems August 30, 2015 | This lecture by Elinor Ostrom vividly underscores the power of leaders coming together across organizations to steward local resources on behalf of their communities. Her research found that communities, left to themselves, can sort out their own ways of stewarding their resources to sustain them over time. View the Resource Ostrom, Elinor. (2010). Beyond markets and states: Polycentric governance of complex economic systems. The American Economic Review, 100(3), 641–672. 2009 Nobel Prize lecture.