Bryan MacGregor is a Vice-Principal and the Head of the College of Physical Sciences at the University of Aberdeen. ? Before that, he oversaw the University's Curriculum Reform project from its initiation to the arrival of the first students under the new curriculum. ? Prior to that, he was Head of the College of Arts and Social Sciences. ? He has held the MacRobert Chair in Land Economy since 1990. ? Before joining Aberdeen, he worked as a research manager for Prudential Portfolio Managers in London, for the Universities of Reading and Glasgow and for the Scottish Office Central Research Unit. ? He holds degrees in mathematics (Edinburgh), environmental planning (Heriot-Watt) and land economy (Cambridge). ? He is professionally qualified as both a chartered surveyor and as a planner. His main research interests are in property investment and property economics and he is the co-author of standard textbooks in both areas. ? His recent and current publications have been mainly on the econometric modelling of property markets, including rents, cap rates and returns. ? He has been editor of the Journal of Property Research since 1991. ? Martin Hoesli , PhD, is Professor of real estate at the Universities of Geneva and Aberdeen and at the Kedge Business School in Bordeaux. ? He is the author of six books and over 90 scholarly articles in real estate. ? A past president of the European Real Estate Society (ERES) and a board member of the Swiss Financial Analyst Association (SFAA), he serves on the editorial board of the leading international real estate journals. He is a Fellow of the Royal Institution of Chartered Surveyors (RICS) and a member of the European Public Real Estate Association (EPRA) research committee.