“…First, it contributes to the growing economic literature on happiness (for latest reviews of this literature see Di Tella and MacCulloch, 2006;Frey and Stutzer, 2002;and Van Praag et al, 2003). Within this literature papers that use social interactions as determinants of life satisfaction are Bjørnskov (2006), Helliwell (2003Helliwell ( , 2006Helliwell ( , 2010, Becchetti et al (2008), Stanca (2008), Powdthavee (2008) and Becchetti et al (2009). Second, the paper contributes to the literature on social capital (for an exhaustive survey see Durlauf and Fafchamps 2005).…”