@techreport{NBERw10176, title = "How Do Electoral Rules Shape Party Structures, Government Coalitions, and Economic Policies?", author = "Torsten Persson and Gerard Roland and Guido Tabellini", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "10176", year = "2003", month = "December", URL = "http://www.nber.org/papers/w10176", }