Ayuda a la decisión: Un nuevo instrumento de gestión Decision aid: A new tool for management (in Spanish) José Alberto Díez de Castro Carmen Redondo López Begoña Barreiro Fernández Monografias da Universidade de Santiago de Compostela No. 196 Universidade de Compostela, Servicio de Publicaciones e Intercambio Científico,1997 ISBN 84-8121-655-0, 175 pp. CHAPTER 1. Decision and decision aid 1. Decision 2. Decision process 3. Decision and rationality 4. Types of decision 5. Decision aid 6. Sources of decision aid CHAPTER 2. Elements of a decision aid process 1. Introduction 2. The set of viable actions 3. The set of criteria 4. The process of elaborating a set of criteria 5. Discrimination power of a criterion 6. Weighing criteria 7. Actors 8. Evaluation table 9. Preference modelling CHAPTER 3. Operational approaches 1. Introduction 2. Multi-objective mathematical programming 3. Multi-attribute utility theory 4. Outranking relations 5. Reflexions on the approaches 6. Why ELECTRE, PROMETHEE and QUALIFLEX? 7. The ELECTRE I method 8. The PROMETHEE methods 9. The QUALIFLEX method 10. Applications of the methods 11. Expert systems: a new category CHAPTER 4. Decision aid: toward a new philosophy of management 1. Classical decision making 2. Cost-benefit analysis 3. The crisis of the traditional models 4. Information needed for the decision process 5. Conclusion BIBLIOGRAPHY APPENDIX: Questions for reasoning and analysis.