“…Previous research has found that, in the construction sector, there is a general lack of knowledge about social procurement [2,3,5,30,31], and the perceptions about the effects of social procurement vary. For example, some doubts persist about how social procurement might require more resources than traditional procurement [2,3,5,16,25,27,32], how it might displace "ordinary" workers [14,15,27], or that social value and employment requirements are difficult to evaluate (cf. [1,26,31,[33][34][35]).…”