Dr. Wolf uses the example of "Heinz's wife" to discuss how practical dilemas are a plurarlity of values rather than a conflict of norms.; Proceedings of the American Philosophical Society. Vol 158, no.1
Nobel prize winner Angus Deaton examines the economics of happiness and mobidity.; Further reading: Deaton, A. The Great Escape: Health, wealth, and the origins of inequality (Princeton University Press: 2013)