Template-Type: ReDIF-Paper 1.0 Author-Name: Massimo Bordignon Author-X-Name-First: Massimo Author-X-Name-Last: Bordignon Author-Email: massimo.bordignon@unicatt.it Author-Workplace-Name: DISCE, Università Cattolica Author-Name: Andrea Monticini Author-X-Name-First: Andrea Author-X-Name-Last: Monticini Author-Email:andrea.monticini@unicatt.it Author-Workplace-Name: DISCE, Università Cattolica Title: The importance of electoral rule: Evidence from Italy Abstract: We employ bootstrap methods (Efron (1979)) to test the e ect of an important electoral reform implemented in Italy from 1993 to 2001, that moved the system for electing the Par- liament from purely proportional to plurality rule (for 75% of the seats). We do not nd any e ect on either the number of parties or the stability of governments (the two main objectives of the reform) that remained unchanged at their pre-reform level. Length: 8 Creation-Date: 2011-01 File-URL: http://www.unicatt.it/Istituti/EconomiaFinanza/Quaderni/ief0099.pdf File-Format: Application/pdf File-Function: First version, 2011 Number: ief0099 Classification-JEL: H7 Keywords: Electoral system; Plurality rule; Duverger's law; Bootstrap. Handle: RePEc:ctc:serie3:ief0099