[1
]Sociology Department, University of California, Berkeley, CA 94720, USA; and Centre
de sociologie européenne, Paris
[2
]School of Geosciences, University of Edinburgh, Drummond Street, Edinburgh EH8 9XP,
Scotland
[3
]Departamento de Sociologia | Instituto de Sociologia, Faculdade de Letras da Universidade
do Porto, Via Panorâmica, s/n°, 4150-564 Porto, Portugal