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p305_pp06
- 2. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
SELF-INTEREST
Motivations of Self-Interest
• Psychological egoism
• Prisoner’s dilemma
• Ethical egoism
2
- 3. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
THE PRISONER’S DILEMMA
• One accepts the deal
• Both accept the deal
• Neither accepts the deal
3
- 4. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
THE PRISONER’S DILEMMA
Ralph and Renaldo Accept the Deal
4 years for both Ralph and Renaldo
Third best scenario for both suspects
Ralph Remains Silent
12 months for Renaldo, 7 years for Ralph
Best scenario for Renaldo, worst for Ralph
Renaldo Remains Silent
12 months for Ralph, 7 years for Renaldo
Best scenario for Ralph, worst for Renaldo
Renaldo and Ralph remain silent
2 years for both; second best scenario for both
4
- 5. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
RECIPROCITY
• Kin selection or inclusive fitness
• Reciprocal altruism
• Indirect reciprocity:
the importance of reputation
• Strong reciprocity and altruistic punishment
5
- 6. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
MORAL INTUITION & MUTUAL AID
• Human Universals
• Empathy
• Moral Intuition
6
- 7. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
JUSTICE and the SOCIAL CONTRACT
• Social contract
• The importance of justice
7
- 8. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
RECONSIDERING JUSTICE
• Obligation to enforce laws.
• Fair laws
• Equal protection
• Fair access
• Equal respect for rights and liberties
• Without prejudice or discrimination
8
- 9. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
JUSTICE
• What is justice?
• The liberty principle
• The difference principle
9
- 10. © 2012 by Pearson Higher Education, Inc
Upper Saddle River, New Jersey 07458 • All Rights Reserved
JUSTICE
• What is justice?
• The liberty principle
• The difference principle
9