Andrew Ayres is a Research Fellow at the Public Policy Institute of California. Trading Water in California: Past, Present, and Future(s) | 2/25 12-1 PM Andrew Ayres is a Research Fellow at the Public Policy Institute of California. His main areas of research include environmental and natural resource economics, institutional economics, applied econometrics, and water…Continue Reading Trading Water in California: Past, Present, and Future(s) | 2/25 12-1 PM