Personnel recruitment and factors of social inequality. A research on companies’ choices of personnel This paper concentrates on young new graduates entering the Italian labour market and the criteria adopted for their selection. Selectors can evaluate a series of individual data out of which they can extract future productivity indicators. The literature distinguishes these data between acquired characteristics (i.e. educational experience) and ascribed characteristics such as age, gender, social origin, ecc.; basic and transversal skills. In order to test the criteria adopted by selectors, the research used an experiment of selection process simulation (through a quantitative technique named factorial survey) and a qualitative indepth examination. The first conclusion we can draw is that selection criteria vary depending on ‘technical jobs’ and more ‘general jobs’. A second important deduction is that we can observe not only differences related to the type of job, but also standard criteria (both related to ascribed and acquired characteristics) as indicators of individual propensities and strong filters of selection.