1. Introduction

1. The Aim of This Book
2. Rationality of Preferenc
3. An Operational lnterpretation of Theorems of Welfare Economics
4. What Can the Operational Approach Achive?
5. A Historical Perspective
6. The Structure of This Book

References

2. Preferences and Operators

1. Introduction
2. Binary Relations
3. Basic Results on Operators
4. Closure Operators
5. Concluding Remarks

References

3. Rationality and Operators

1. Introduction
2. Properties of Binary Relations
3. Choic Functions
4. Extensions
5. Concluding Remarks

References

4. Operations Over the Set of Binary Relations

1. Introduction
2. Basic Results
3. Direct Operations Over the Set of Binary Relations
4. Concluding Remarks

References

5. Application to Welfare Economics

1. Introduction
2. Setting
3. Paretian Welfare Economics
4. The Kaldor-Hicks Compensation Principle
5. Bergsonian Samuelson Approach of Welfare Economics
6. Concluding Remarks

References

6. Conclusion: Beyond Ordinal Operator

1. More Applications
2. Operators for Ordinal Preferences
3. Operators for Cardinal Preferences
4. Final Remarks

References

Index