Media type: E-Article Title: Voluntary leadership: motivation and influence Contributor: Arbak, Emrah; Villeval, Marie-Claire imprint: Springer Science and Business Media LLC, 2013 Published in: Social Choice and Welfare Language: English DOI: 10.1007/s00355-011-0626-2 ISSN: 1432-217X; 0176-1714 Origination: Footnote: