We develop a formal model of social duties. Duties to respect entitlements (duties of justice) differ from duties to promote well-being (duties of charity). A situationspecific version of our model takes entitlements as primitives. A fully portable version derives entitlements from situational...

The business world saw numerous examples of ethical transgressions. Raj Rajaratnam, founder of Galleon Group, and Rajat K. Gupta, a former director of Procter & Gamble and former head of McKinsey & Co., were convicted of insider trading. And Barclays Bank, UBS, and Royal Bank of Scotland paid...