Lijphart C7: Exec-legislative relations C8: Electoral Systems
Presidential V. Parliamentary Major Differences Separation and confidence Nature of election Collegial v. noncollegial Other Differences Separation of powers means that executive officers cannot serve in the legislature (there are some exceptions in some parliamentary systems) Presidents cannot dissolve the legislature Head of State v. Head of Government
Simple Models: Parl v. Pres Source: http://dss.ucsd.edu/~mshugart/semi-presidentialism.pdfhttp://dss.ucsd.edu/~mshugart/semi-presidentialism.pdf
Veto Gates: UK v. US UK: One veto gate: House of Commons (ignoring House of Lords, which is not powerless, but is definitely weaker than House of Commons) US has three elected veto gates Presidency House of Representatives Senate
Veto Gates: UK v. US US: Separate origin and survival of each institution: --must transact Inter-branch transactions, even if the same party has presidency and congressional majorities
Parliamentary Systems with Minority or Coalitional Governments Still hierarchical relationship of cabinet to parliament …cabinet survives only so long as it does not lose the “confidence” of the legislative majority But absence of a majority means inter- party transactions (i.e., among multiple veto players)
Presidential Systems: US v. Brazil Compared to the US, Brazil’s presidency is “stronger”: Decree power And “weaker”: Veto can be overridden by 50%+1 (not two thirds) Note: Lula’s PT won 19.2% of the vote for Senate in 2006, electing 6 of the 27 senators up for election and 15% of the vote for deputies, winning 83 out of 513 seats
Hybrid/Semi-Presidential/Mixed Systems President elected by the public Appoints a PM and Cabinet Subject to Parliamentary Approval “Cohabitation” Examples: France, Russia (many others)
France (a Premier-Presidential System) France 1981: François Mitterrand, Socialist Party, elected President in May, 1981 But National Assembly (474 seats, five-year term), elected in 1978: Mitterrand’s alliance: Socialists102 Communists 86 Opposition Gaullists178 UDF124
France 1981: President Mitterrand exercised his constitutional authority to dissolve parliament 19781981 (14 June) Mitterrand’s alliance: Socialists102 268 Communists 86 43 Opposition Gaullists142 80 UDF124 59 …able to appoint a Socialist premier and cabinet (Pierre Mauroy)
1986 National Assembly election Mitterrand’s alliance: Socialists198 Communists 32 Opposition Gaullists146 UDF128
Cohabitation! Mitterrand had to appoint a premier from the Gaullist–UDF alliance (Jacques Chirac)
France 1988: Mitterrand reelected, dissolved parliament again 19861988 Mitterrand’s alliance: Socialists198260 Communists 32 24 Opposition Gaullists146123 UDF128130 …Mitterrand able to appoint a Socialist premier again (Michel Rocard)
France 1997 President is now Jacques Chirac, elected 1995 Chirac dissolved parliament in 1997
France 1997 19931997 Chirac’s alliance Gaullists243132 UDF209161 Left opposition Socialists 67244 Communists 24 35 …Chirac must appoint a Socialist premier (Lionel Jospin). Cohabitation again!
Semi-Presidentialism in Poland is Confusing President Lech Kaczyński PM Jarosław Kaczyński
Electoral Formula: Plurality/Majority Systems v. PR Types of Plurality/Majority SMD/FPTP True majority systems 2-Round run-off systems often used in presidential races like in AL primaries French System Alternative Vote
Electoral Formula: Plurality/Majority Systems v. PR PR Systems List PR lists are closed (signif?) differing PR formulae Mixed Member Proportional STV
Political Effect of Electoral Rules Mechanical Effects: how do the rules impact the translation of votes into seats? Psychological Effects: how do those impacts influence the choices of voters?
Duverger’s Law & Hypothesis Duverger’s Law: “Plurality rule tends to reduce the number of parties to two, regardless of the number of issue dimensions” (Taageperga and Shugart 1989:65) Duverger’s Hypothesis: “PR rules tend not to reduced the number of parties, if the number of issue dimensions favors the existence of many parties” (ibid., 65).
Duverger’s Law & Hypothesis (Source: Taagepera and Shugart, 1989:143)
Duverger’s Law & Hypothesis (Source: Taagepera and Shugart, 1989:144)
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