1. Explaining legislative decision making in the European Union Robert Thomson and Madeleine O. Hosli; 2. Research design: measuring actors' positions' saliences and capabilities Robert Thomson and Frans N. Stokman; 3. Testing procedural models of EU legislative decision making Bernard Steunenberg and Torsten Selck; 4. Institutional realism and bargaining models Christopher H. Achen; 5. Compromise, exchange and challenge in the European Union Javier Arregui, Frans N. Stokman and Robert Thomson; 6. Nash versus Schelling? The importance of constraints in legislative bargaining Stefanie Bailer and Gerald Schneider; 7. A cooperative approach to decision making in the European Union Vincent Boekhoorn, Adrian Van Deemen and Madeleine O. Hosli; 8. A procedural exchange model Thomas König and Sven-Oliver Proksch; 9. Beyond informal compromise: testing conditional formal procedures of EU decision making Mika Widgrén and Antti Pajala; 10. Evaluating political decision making models Christopher H. Achen; 11. Evidence with insight: what models contribute to EU research Gerald Schneider, Bernard Steunenberg and Mika Widgrén; Appendix I. Selection of commission proposals; Appendix II. Comparison of expert judgements with each other and with information from council documentation.