Nicole Gurran is Professor of Urban and Regional Planning at the University of Sydney, Australia. She has authored numerous publications on land use planning, housing and the environment in Australia, and is a Fellow of the Planning Institute of Australia.Glen Bramley is Professor of Urban Studies at Heriot-Watt University in Edinburgh, Scotland. He has published numerous books and journal articles on the housing market and urban regulation over the past three decades and has provided senior advice to governments in the United Kingdom, Australia, and New Zealand.