[1] Univ Exeter, Dept Geog, Old Lib, Mail Room,Prince Wales Rd, Exeter EX4 4SB, England
[2] London Sch Econ & Polit Sci, LSE Cities, Houghton St, London WC2A 2AE, England
[3] Univ Glasgow, Sch Social & Polit Sci, Dept Urban Studies, 25-29 Bute Gardens, Glasgow G12 8RS, Scotland