?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Feprints.imtlucca.it%2F2249%2F&rft.title=Voting+behavior%2C+coalitions+and+government+strength+through+a+complex+network+analysis&rft.creator=Dal+Maso%2C+Carlo&rft.creator=Pompa%2C+Gabriele&rft.creator=Puliga%2C+Michelangelo&rft.creator=Riotta%2C+Gianni&rft.creator=Chessa%2C+Alessandro&rft.subject=DG+Italy&rft.subject=HB+Economic+Theory&rft.subject=JC+Political+theory&rft.description=We+analyze+the+network+of+relations+between+parliament+members+according+to+their+voting+behavior.+In+particular%2C+we+examine+the+emergent+community+structure+with+respect+to+political+coalitions+and+government+alliances.+We+rely+on+tools+developed+in+the+Complex+Network+literature+to+explore+the+core+of+these+communities+and+use+their+topological+features+to+develop+new+metrics+for+party+polarization%2C+internal+coalition+cohesiveness+and+government+strength.+As+a+case+study%2C+we+focus+on+the+Chamber+of+Deputies+of+the+Italian+Parliament%2C+for+which+we+are+able+to+characterize+the+heterogeneity+of+the+ruling+coalition+as+well+as+parties+specific+contributions+to+the+stability+of+the+government+over+time.+We+find+sharp+contrast+in+the+political+debate+which+surprisingly+does+not+imply+a+relevant+structure+based+on+establised+parties.+We+take+a+closer+look+to+changes+in+the+community+structure+after+parties+split+up+and+their+effect+on+the+position+of+single+deputies+within+communities.+Finally%2C+we+introduce+a+way+to+track+the+stability+of+the+government+coalition+over+time+that+is+able+to+discern+the+contribution+of+each+member+along+with+the+impact+of+its+possible+defection.+While+our+case+study+relies+on+the+Italian+parliament%2C+whose+relevance+has+come+into+the+international+spotlight+in+the+present+economic+downturn%2C+the+methods+developed+here+are+entirely+general+and+can+therefore+be+applied+to+a+multitude+of+other+scenarios.+&rft.publisher=IMT+Institute+for+Advanced+Studies+Lucca&rft.date=2014-09-25&rft.type=Working+Paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.rights=cc_by_nd&rft.identifier=http%3A%2F%2Feprints.imtlucca.it%2F2249%2F1%2FEIC_WP_10_2014.pdf&rft.identifier=++Dal+Maso%2C+Carlo+and+Pompa%2C+Gabriele+and+Puliga%2C+Michelangelo+and+Riotta%2C+Gianni+and+Chessa%2C+Alessandro++Voting+behavior%2C+coalitions+and+government+strength+through+a+complex+network+analysis.++EIC+working+paper+series++%2310%2F2014++++IMT+Institute+for+Advanced+Studies+Lucca++++ISSN+2279-6894.++++++