Doctoral student Lily Hsueh successfully defended her dissertation on December 7. Hsueh's dissertation "Private Regulation on the Environment: Bilateral Voluntary Agreements in U.S. Toxic Chemicals Policy" investigates the policy impact of bilateral voluntary agreements, one form of private regulation for poisonous but commercially important chemicals, and the compliance-related decisionmaking and negotiating process that have led to them. She moves to a position at the National Oceanic and Atmospheric Administration (National Marine Fisheries Service) in Montlake as a National Research Council Postdoctoral Fellow. Professor David Layton chaired the dissertation committee; committee members were Professor Leigh Anderson, Aseem Prakash (Political Science), Associate Professor Craig Thomas, and Eric Zivot (Economics). Hsueh's research is on environmental economics and policy, governance, political economy, econometrics, and mixed methods research design.