Researcher Directory | Transportation Research and Education Center

Jenny Liu is an associate professor of urban studies and planning at Portland State University. She is an environmental and resource economist with a focus in transportation economics. Her research interests include the economics of alternative energy sources, links between transportation choices and environmental issues, the effects of physical infrastructure networks and social networks on the adoption of transportation technologies, and technology adoption and its effects on climate change, particularly within the urban and development contexts.

Aaron Golub

Director and Associate Professor

Urban Studies and Planning

Portland State University

Dr. Golub is an associate professor in the Toulan School of Urban Studies and Planning at Portland State University (PSU), moving to PSU after eight years at Arizona State University and ten years studying and working in the San Francisco Bay Area. His work focuses on the social contexts of urban transportation systems.

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