Graham has published key articles in top-ranked journals on Property Economics and Public Policy. He is Executive Director of the Massey University Property Foundation, a fund for the advance of property teaching and research in policy and practice. Furthermore, he is Director for the Real Estate Analysis Unit (REAU) at Massey University. He has been a visiting scholar at the University of California Berkeley, awarded by the prestigious Fulbright US–UK Visiting Scholarship Program (2013-14), visiting researcher to University of Illinois Urbana-Champaign (2006), and a visiting scholar to Delft University, Holland (2017).
He is Co-Author of Building Procurement (Routledge 2011); Solo Author of Urban and Environmental Economics (Routledge, 2013); Co-editor of International Approaches to Real Estate Development (Routledge, 2015); and Co-editor of the Companion to Real Estate Development (Routledge, 2018). Graham regularly comments with the media on housing affordability and other property related issues. He is on the editorial board of the Property Management Journal. Invited speaking has been extensive with contributions to academic seminars, consultancies and professional bodies. Reviewing work has been with international grant and political councils - the most prominent being the UN (United Nations).