“…If it is true that arguments are found pointing to a positive effect of this attribute on operational performance, sustained by economies of scale and reduced fixed costs Timotthy, 2000, Orlitzky, 2001) and in diversifying the range of products (services) produced (rendered) (Lau et al, 2010, Yam et al, 2011, the fact remains that arguments can be found pointing in the opposite direction. In small and micro enterprises in particular, an individual or family, characterized by a reduced propensity to risk and very careful analysis of investments, simultaneously perform the role of owner and manager, possibly conditioning performance.…”