Christian Hilber is Professor of Economic Geography at the London School of Economics. He is an Associate of the Centre for Economic Performance (CEP) and of the Spatial Economics Research Centre (SERC). He is also a Member of the Academic Panel of the What Works Centre. He has been the Director of LSE’s MSc Real Estate Economics and Finance since 2003. Teemu Lyytikainen is chief researcher at the VATT Institute for Economic Research. His research subjects include housing markets, urban economics and housing taxes and subsidies. Teemu has also worked as a Secretary-General of the Economic Policy Council and as a researcher at the Spatial Economics Research Centre of the London School of Economics. He gained his PhD in economics from the University of Helsinki in 2008.