“…Previous contributions have analysed the internal problems that afflict cooperation, for example in members' apathy towards participation, failure of democratic representation, mismanagement and lack of skills, opportunism and fraud (Hernandez, 2006;Cornforth, 2004;Spear, 2004;Birchall, 2002). A body of theoretical and empirical studies have accentuated, in parallel, cases of external constraints, as related to ill-suited legal frameworks, access to capital, production conditions and contractual requirements, bargaining and decision-making costs, or external controls of political nature (Russell, 1991;Ben-Ner, 1993;Book and Ilmonen 1989;Lima, 2007;Hernandez, 2006;Speckbacher, 2008;Wanyama et al 2009;Birchall and Simmons, 2010).…”