“…An enormous body of research literature can be found at the individual level which, for instance, analyses how social capital improves employment situations (Franzen, Hangartner 2006, Granovetter 1995, Mouw 2003, Obukhova, Lan 2013, Thompson 2005 or related economic outcomes (Boxman et al 1991, Gerber, Mayorova 2010, Kwon et al 2013, Lancee 2010. Furthermore, Lee (2009) stated for the meso-level that "social capital is potentially an important source of competitive advantage for all organisations" (Cooke et al 2005, see Tsai, Ghoshal 1998 of these studies (Rupasingha et al 2000, Westlund, Calidoni-Lundberg 2007 analysed subnational regions in one country and the organisational density as a measure of social capital in a way that is congruent with this paper's approach (see section 3).…”