Trinity College, Dublin, Ireland New York University, USA

• Introduction Part I. Policy and Party Competition 1. Policy dimensions and political preferences 2. "Policy spaces" and models of party competition Part II. Measuring Policy Positions 3. The expert surveys as a measurement tool 4. Measurement issues: bias and error correction in expert survey results 5. The Dimensionality of policy spaces 6. Comparing patterns of party competition Part III. Data Appendices References Index

Trinity College, Dublin, Ireland New York University, USA

• Introduction Part I. Policy and Party Competition 1. Policy dimensions and political preferences 2. "Policy spaces" and models of party competition Part II. Measuring Policy Positions 3. The expert surveys as a measurement tool 4. Measurement issues: bias and error correction in expert survey results 5. The Dimensionality of policy spaces 6. Comparing patterns of party competition Part III. Data Appendices References Index

Trinity College, Dublin, Ireland New York University, USA

• Introduction Part I. Policy and Party Competition 1. Policy dimensions and political preferences 2. "Policy spaces" and models of party competition Part II. Measuring Policy Positions 3. The expert surveys as a measurement tool 4. Measurement issues: bias and error correction in expert survey results 5. The Dimensionality of policy spaces 6. Comparing patterns of party competition Part III. Data Appendices References Index