Andrew Ayres is a research fellow at the PPIC Water Policy Center. He is an environmental and natural resource economist focused on questions related to the design, development, and effectiveness of legal and economic institutions for managing the environment. His work often involves applied economic modeling and econometric analysis. Previously, he worked in Germany and the United States on projects to inform policy-making related to topics such as climate change, energy, river restoration, and water pricing. He holds a PhD in economics and environmental science from the University of California, Santa Barbara, and a BA in economics from Pomona College.