?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2Fj.jebo.2009.01.002&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Bilancini%2C+Ennio&rft.aufirst=Ennio&rft.aulast=Bilancini&rft.issn=0167-2681&rft.date=2009&rft.title=Journal+of+economic+behavior+%26+organization&rft.atitle=The+co-evolution+of+cooperation+and+defection+under+local+interaction+and+endogenous+network+formation&rft.issue=1-2&rft.pages=186-195&rft.volume=70&rft.genre=article