Introduction: Evidence for Duverger's Law from Four Countries.- Voting Strategically in Canada and Britain.- Neither Representative nor Accountable: First-Past-the-Post in Britain.- Strategic Voting in the US.- Mechanical Effects of Duverger's Law in the United States.- Canada: The Puzzle of Local Three-Party Competition.- Party Inflation in India: Why Has a Multi-Party Format Prevailed in the National Party System?.- Does the United Kingdom Obey...