Nan Sandi is a PhD candidate at the University of Oxford. Her research focuses on questions in environmental and development economics. She collaborates with government and industry to study how market mechanisms and policies shape environmental and economic outcomes. She uses a range of methods in her research, including randomized controlled trials, quasi-experimental designs, big data analytics, and machine learning techniques. Before joining Oxford, she received her master’s degree from Duke University and her bachelor’s degree from the Hong Kong Polytechnic University.