National Wealth: What is Missing, Why it Matters 2017 HKS Authors See citation below for complete author information. Michael Woolcock Adjunct Lecturer in Public Policy Citation Hamilton, Kirk, John F. Helliwell, and Michael Woolcock. "Social Capital, Trust and Wellbeing in the Evaluation of Wealth." National Wealth: What is Missing, Why it Matters. Ed. Kirk Hamilton and Cameron Hepburn. Oxford University Press, 2017.