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Candidate Ranking Strategies Under Closed List Proportional Representation
The Best at the Top? Candidate Ranking Strategies Under Closed List Proportional Representation Benoit S Y Crutzen Hideo Konishi Erasmus School of Economics Boston College Nicolas Sahuguet HEC Montreal April 21, 2021 Abstract Under closed-list proportional representation, a party’selectoral list determines the order in which legislative seats are allocated to candidates. When candidates differ in their ability, parties face a trade-off between competence and incentives. Ranking candidates in decreasing order of competence ensures that elected politicians are most competent. Yet, party list create incentives for candidates that may push parties not to rank candidates in decreasing competence order. We examine this trade-off in a game- theoretical model in which parties rank their candidate on a list, candidates choose their campaign effort, and the election is a team contest for multiple prizes. We show that the trade-off between competence and incentives depends on candidates’objective and the electoral environment. In particular, parties rank candidates in decreasing order of competence if candidates value enough post-electoral high offi ces or media coverage focuses on candidates at the top of the list. 1 1 Introduction Competent politicians are key for government and democracy to function well. In most democracies, political parties select the candidates who can run for offi ce. Parties’decision on which candidates to let run under their banner is therefore of fundamental importance. When they select candidates, parties have to worry not only about the competence of candidates but also about incentives, about their candidates’motivation to engage with voters and work hard for their party’selectoral success. -
Document Country: Macedonia Lfes ID: Rol727
Date Printed: 11/06/2008 JTS Box Number: lFES 7 Tab Number: 5 Document Title: Macedonia Final Report, May 2000-March 2002 Document Date: 2002 Document Country: Macedonia lFES ID: ROl727 I I I I I I I I I IFES MISSION STATEMENT I I The purpose of IFES is to provide technical assistance in the promotion of democracy worldwide and to serve as a clearinghouse for information about I democratic development and elections. IFES is dedicated to the success of democracy throughout the world, believing that it is the preferred form of gov I ernment. At the same time, IFES firmly believes that each nation requesting assistance must take into consideration its unique social, cultural, and envi I ronmental influences. The Foundation recognizes that democracy is a dynam ic process with no single blueprint. IFES is nonpartisan, multinational, and inter I disciplinary in its approach. I I I I MAKING DEMOCRACY WORK Macedonia FINAL REPORT May 2000- March 2002 USAID COOPERATIVE AGREEMENT No. EE-A-00-97-00034-00 Submitted to the UNITED STATES AGENCY FOR INTERNATIONAL DEVELOPMENT by the INTERNATIONAL FOUNDATION FOR ELECTION SYSTEMS I I TABLE OF CONTENTS EXECUTNE SUMMARY I I. PROGRAMMATIC ACTNITIES ............................................................................................. 1 A. 2000 Pre Election Technical Assessment 1 I. Background ................................................................................. 1 I 2. Objectives ................................................................................... 1 3. Scope of Mission .........................................................................2 -
Who Gains from Apparentments Under D'hondt?
CIS Working Paper No 48, 2009 Published by the Center for Comparative and International Studies (ETH Zurich and University of Zurich) Who gains from apparentments under D’Hondt? Dr. Daniel Bochsler University of Zurich Universität Zürich Who gains from apparentments under D’Hondt? Daniel Bochsler post-doctoral research fellow Center for Comparative and International Studies Universität Zürich Seilergraben 53 CH-8001 Zürich Switzerland Centre for the Study of Imperfections in Democracies Central European University Nador utca 9 H-1051 Budapest Hungary [email protected] phone: +41 44 634 50 28 http://www.bochsler.eu Acknowledgements I am in dept to Sebastian Maier, Friedrich Pukelsheim, Peter Leutgäb, Hanspeter Kriesi, and Alex Fischer, who provided very insightful comments on earlier versions of this paper. Manuscript Who gains from apparentments under D’Hondt? Apparentments – or coalitions of several electoral lists – are a widely neglected aspect of the study of proportional electoral systems. This paper proposes a formal model that explains the benefits political parties derive from apparentments, based on their alliance strategies and relative size. In doing so, it reveals that apparentments are most beneficial for highly fractionalised political blocs. However, it also emerges that large parties stand to gain much more from apparentments than small parties do. Because of this, small parties are likely to join in apparentments with other small parties, excluding large parties where possible. These arguments are tested empirically, using a new dataset from the Swiss national parliamentary elections covering a period from 1995 to 2007. Keywords: Electoral systems; apparentments; mechanical effect; PR; D’Hondt. Apparentments, a neglected feature of electoral systems Seat allocation rules in proportional representation (PR) systems have been subject to widespread political debate, and one particularly under-analysed subject in this area is list apparentments. -
A Canadian Model of Proportional Representation by Robert S. Ring A
Proportional-first-past-the-post: A Canadian model of Proportional Representation by Robert S. Ring A thesis submitted to the School of Graduate Studies in partial fulfilment of the requirements for the degree of Master of Arts Department of Political Science Memorial University St. John’s, Newfoundland and Labrador May 2014 ii Abstract For more than a decade a majority of Canadians have consistently supported the idea of proportional representation when asked, yet all attempts at electoral reform thus far have failed. Even though a majority of Canadians support proportional representation, a majority also report they are satisfied with the current electoral system (even indicating support for both in the same survey). The author seeks to reconcile these potentially conflicting desires by designing a uniquely Canadian electoral system that keeps the positive and familiar features of first-past-the- post while creating a proportional election result. The author touches on the theory of representative democracy and its relationship with proportional representation before delving into the mechanics of electoral systems. He surveys some of the major electoral system proposals and options for Canada before finally presenting his made-in-Canada solution that he believes stands a better chance at gaining approval from Canadians than past proposals. iii Acknowledgements First of foremost, I would like to express my sincerest gratitude to my brilliant supervisor, Dr. Amanda Bittner, whose continuous guidance, support, and advice over the past few years has been invaluable. I am especially grateful to you for encouraging me to pursue my Master’s and write about my electoral system idea. -
Appendix A: Electoral Rules
Appendix A: Electoral Rules Table A.1 Electoral Rules for Italy’s Lower House, 1948–present Time Period 1948–1993 1993–2005 2005–present Plurality PR with seat Valle d’Aosta “Overseas” Tier PR Tier bonus national tier SMD Constituencies No. of seats / 6301 / 32 475/475 155/26 617/1 1/1 12/4 districts Election rule PR2 Plurality PR3 PR with seat Plurality PR (FPTP) bonus4 (FPTP) District Size 1–54 1 1–11 617 1 1–6 (mean = 20) (mean = 6) (mean = 4) Note that the acronym FPTP refers to First Past the Post plurality electoral system. 1The number of seats became 630 after the 1962 constitutional reform. Note the period of office is always 5 years or less if the parliament is dissolved. 2Imperiali quota and LR; preferential vote; threshold: one quota and 300,000 votes at national level. 3Hare Quota and LR; closed list; threshold: 4% of valid votes at national level. 4Hare Quota and LR; closed list; thresholds: 4% for lists running independently; 10% for coalitions; 2% for lists joining a pre-electoral coalition, except for the best loser. Ballot structure • Under the PR system (1948–1993), each voter cast one vote for a party list and could express a variable number of preferential votes among candidates of that list. • Under the MMM system (1993–2005), each voter received two separate ballots (the plurality ballot and the PR one) and cast two votes: one for an individual candidate in a single-member district; one for a party in a multi-member PR district. • Under the PR-with-seat-bonus system (2005–present), each voter cast one vote for a party list. -
Another Consideration in Minority Vote Dilution Remedies: Rent
Another C onsideration in Minority Vote Dilution Remedies : Rent -Seeking ALAN LOCKARD St. Lawrence University In some areas of the United States, racial and ethnic minorities have been effectively excluded from the democratic process by a variety of means, including electoral laws. In some instances, the Courts have sought to remedy this problem by imposing alternative voting methods, such as cumulative voting. I examine several voting methods with regard to their sensitivity to rent-seeking. Methods which are less sensitive to rent-seeking are preferred because they involve less social waste, and are less likely to be co- opted by special interest groups. I find that proportional representation methods, rather than semi- proportional ones, such as cumulative voting, are relatively insensitive to rent-seeking efforts, and thus preferable. I also suggest that an even less sensitive method, the proportional lottery, may be appropriate for use within deliberative bodies, where proportional representation is inapplicable and minority vote dilution otherwise remains an intractable problem. 1. INTRODUCTION When President Clinton nominated Lani Guinier to serve in the Justice Department as Assistant Attorney General for Civil Rights, an opportunity was created for an extremely valuable public debate on the merits of alternative voting methods as solutions to vote dilution problems in the United States. After Prof. Guinier’s positions were grossly mischaracterized in the press,1 the President withdrew her nomination without permitting such a public debate to take place.2 These issues have been discussed in academic circles,3 however, 1 Bolick (1993) charges Guinier with advocating “a complex racial spoils system.” 2 Guinier (1998) recounts her experiences in this process. -
The Allocation of Seats Inside the Lists (Open/Closed Lists)
Strasbourg, 28 November 2014 CDL(2014)051* Study No. 764/2014 Or. Engl. EUROPEAN COMMISSION FOR DEMOCRACY THROUGH LAW (VENICE COMMISSION) DRAFT REPORT ON PROPORTIONAL ELECTORAL SYSTEMS: THE ALLOCATION OF SEATS INSIDE THE LISTS (OPEN/CLOSED LISTS) on the basis of comments by Mr Richard BARRETT (Member, Ireland) Mr Oliver KASK (Member, Estonia) Mr Ugo MIFSUD BONNICI (Former Member, Malta) Mr Kåre VOLLAN (Expert, Norway) *This document has been classified restricted on the date of issue. Unless the Venice Commission decides otherwise, it will be declassified a year after its issue according to the rules set up in Resolution CM/Res(2001)6 on access to Council of Europe documents. This document will not be distributed at the meeting. Please bring this copy. www.venice.coe.int CDL(2014)051 - 2 - Table of contents I. Introduction ................................................................................................................... 3 II. The electoral systems in Europe and beyond .................................................................... 4 A. Overview ................................................................................................................... 4 B. Closed-list systems.................................................................................................... 6 III. Open-list systems: seat allocation within lists, effects on the results ................................ 7 A. Open-list systems: typology ....................................................................................... 8 B. -
Engineering Electoral Systems: Possibilities and Pitfalls
Alan Wall and Mohamed Salih Engineering Electoral Systems: Possibilities and Pitfalls 1 Indonesia – Voting Station 2005 Index 1 Introduction 5 2 Engineering Electoral Systems: Possibilities and Pitfalls 6 2.1 What Is Electoral Engineering? 6 2.2 Basic Terms and Classifications 6 2.3 What Are the Potential Objectives of an Electoral System? 8 3 2.4 What Is the Best Electoral System? 8 2.5 Specific Issues in Split or Post Conflict Societies 10 2.6 The Post Colonial Blues 10 2.7 What Is an Appropriate Electoral System Development or Reform Process? 11 2.8 Stakeholders in Electoral System Reform 13 2.9 Some Key Issues for Political Parties 16 3 Further Reading 18 4 About the Authors 19 5 About NIMD 20 Annex Electoral Systems in NIMD Partner Countries 21 Colophon 24 4 Engineering Electoral Systems: Possibilities and Pitfalls 1 Introduction 5 The choice of electoral system is one of the most important decisions that any political party can be involved in. Supporting or choosing an inappropriate system may not only affect the level of representation a party achieves, but may threaten the very existence of the party. But which factors need to be considered in determining an appropriate electoral system? This publication provides an introduction to the different electoral systems which exist around the world, some brief case studies of recent electoral system reforms, and some practical tips to those political parties involved in development or reform of electoral systems. Each electoral system is based on specific values, and while each has some generic advantages and disadvantages, these may not occur consistently in different social and political environments. -
Arxiv:2105.00216V1 [Cs.MA] 1 May 2021
Lecture Notes on Voting Theory Davide Grossi Bernoulli Institute for Maths, CS and AI University of Groningen Amsterdam Center for Law and Economics Institute for Logic, Language and Computation University of Amsterdam www.davidegrossi.me ©Davide Grossi 2021 arXiv:2105.00216v1 [cs.MA] 1 May 2021 Contents 1 Choosing One Out of Two 2 1.1 Preliminaries ................................... ........ 2 1.1.1 Keydefinitions ................................. ..... 2 1.1.2 Basicaxioms ................................... .... 3 1.2 Plurality is the best . when m =2 .............................. 5 1.2.1 Axiomatic characterizations of plurality when m =2................. 6 1.2.2 Plurality as maximum likelihood estimator when m =2 ............... 7 1.3 Chapternotes.................................... ....... 10 1.4 Exercises ....................................... ...... 10 2 Choosing One Out of Many 11 2.1 Beyondplurality ................................. ........ 11 2.1.1 Plurality selects unpopular options . ............. 11 2.1.2 Morevotingrules............................... ...... 12 2.1.3 MoreaxiomsforSCFs ............................. ..... 16 2.1.4 Impossibility results for SCFs: examples . .............. 17 2.2 There is no obvious social choice function when m> 2.................... 17 2.2.1 Socialpreferencefunctions. ........... 17 2.2.2 Arrow’stheorem ................................ ..... 18 2.3 Social choice by maximum likelihood & closest consensus .................. 21 2.3.1 The Condorcet model when m> 2........................... 21 -
CHAPTER 9 Political Parties and Electoral Systems
CHAPTER 9 Political Parties and Electoral Systems MULTIPLE CHOICE 1. Political scientists call the attachment that an individual has to a specific political party a person’s a. party preference. b. party patronage. c. party identification. d. party dominance. e. dominant party. 2. Which best describes the difference between a one-party system and a one-party dominant system? a. In a one-party system, the party is ideological, coercive, and destructive of autonomous groups. In a one-party dominant system, it is less ideological and does not desire to destroy autonomous groups. b. In one-party dominant systems, only one party exists. In one-party systems, other political parties are not banned, and smaller parties may even receive a sizable percentage of the vote combined, but one party always wins elections and controls the government. c. In a one-party dominant system, the party is ideological, coercive, and destructive of autonomous groups. In a one-party system, it is less ideological and does not desire to destroy autonomous groups. d. In one-party systems, one large party controls the political system but small parties exist and may even compete in elections. In one-party dominant systems, different parties control the government at different times, but one party always controls all branches of government, i.e., there is never divided government. e. In one-party systems, only one party exists. In one-party dominant systems, other political parties are not banned, and smaller parties may even receive a sizable percentage of the vote combined, but one party always wins elections and controls the government. -
The Expanding Approvals Rule: Improving Proportional Representation and Monotonicity 3
Working Paper The Expanding Approvals Rule: Improving Proportional Representation and Monotonicity Haris Aziz · Barton E. Lee Abstract Proportional representation (PR) is often discussed in voting settings as a major desideratum. For the past century or so, it is common both in practice and in the academic literature to jump to single transferable vote (STV) as the solution for achieving PR. Some of the most prominent electoral reform movements around the globe are pushing for the adoption of STV. It has been termed a major open prob- lem to design a voting rule that satisfies the same PR properties as STV and better monotonicity properties. In this paper, we first present a taxonomy of proportional representation axioms for general weak order preferences, some of which generalise and strengthen previously introduced concepts. We then present a rule called Expand- ing Approvals Rule (EAR) that satisfies properties stronger than the central PR axiom satisfied by STV, can handle indifferences in a convenient and computationally effi- cient manner, and also satisfies better candidate monotonicity properties. In view of this, our proposed rule seems to be a compelling solution for achieving proportional representation in voting settings. Keywords committee selection · multiwinner voting · proportional representation · single transferable vote. JEL Classification: C70 · D61 · D71 1 Introduction Of all modes in which a national representation can possibly be constituted, this one [STV] affords the best security for the intellectual qualifications de- sirable in the representatives—John Stuart Mill (Considerations on Represen- tative Government, 1861). arXiv:1708.07580v2 [cs.GT] 4 Jun 2018 H. Aziz · B. E. Lee Data61, CSIRO and UNSW, Sydney 2052 , Australia Tel.: +61-2-8306 0490 Fax: +61-2-8306 0405 E-mail: [email protected], [email protected] 2 Haris Aziz, Barton E. -
Selecting the Runoff Pair
Selecting the runoff pair James Green-Armytage New Jersey State Treasury Trenton, NJ 08625 [email protected] T. Nicolaus Tideman Department of Economics, Virginia Polytechnic Institute and State University Blacksburg, VA 24061 [email protected] This version: May 9, 2019 Accepted for publication in Public Choice on May 27, 2019 Abstract: Although two-round voting procedures are common, the theoretical voting literature rarely discusses any such rules beyond the traditional plurality runoff rule. Therefore, using four criteria in conjunction with two data-generating processes, we define and evaluate nine “runoff pair selection rules” that comprise two rounds of voting, two candidates in the second round, and a single final winner. The four criteria are: social utility from the expected runoff winner (UEW), social utility from the expected runoff loser (UEL), representativeness of the runoff pair (Rep), and resistance to strategy (RS). We examine three rules from each of three categories: plurality rules, utilitarian rules and Condorcet rules. We find that the utilitarian rules provide relatively high UEW and UEL, but low Rep and RS. Conversely, the plurality rules provide high Rep and RS, but low UEW and UEL. Finally, the Condorcet rules provide high UEW, high RS, and a combination of UEL and Rep that depends which Condorcet rule is used. JEL Classification Codes: D71, D72 Keywords: Runoff election, two-round system, Condorcet, Hare, Borda, approval voting, single transferable vote, CPO-STV. We are grateful to those who commented on an earlier draft of this paper at the 2018 Public Choice Society conference. 2 1. Introduction Voting theory is concerned primarily with evaluating rules for choosing a single winner, based on a single round of voting.