David J Sanders
Department of Government, University of Essex, Wivenhoe Park, Colchester C04 3SQ, United Kingdom
phone: 01206 872544
fax: 01206 873894
email: sanders@essex.ac.uk

Paul F Whiteley
Department of Government, University of Essex, Wivenhoe Park, Colchester C04 3SQ, United Kingdom
phone: 01206 872641
fax: 01206 873894
email: whiteley@essex.ac.uk

Harold D Clarke
School of Social Sciences, University of Texas at Dallas, Richardson, Texas 75083, USA
e-mail: hclarke@utdallas.edu

Marianne Stewart
School of Social Sciences, University of Texas at Dallas, Richardson, Texas 75083, USA
phone: +1 940 883 2011
e-mail: mstewart@utdallas.edu