This paper questions the soundness of the concept of human capital as it is used today in human resources management. The following paradox gets the analysis started : on the one hand, this concept is very successful and widely used by journalists, consultants and human resources professionals,...

The unfolding model of voluntary turnover, as tested by Niederman et al. [1], surprisingly appears to only capture 12% of the job leavers in IT, whereas when applied to other occupational groups, such as accountant or nurses, this ratio is much higher (respectively 92% and 77%). To address this...