“…wage which is decided on the basis of an unwritten agreement beyond the formal written contract (Kedir, Fethi, & Williams, 2011;Sedlenieks, 2003;Williams, 2015b;Horodnic, 2015b, 2017;Woolfson, 2007). Only one part of the wage is therefore paid officially, while the rest is given under-the- Given the limited knowledge about this illegitimate wage arrangement, both in Croatia and elsewhere, the intention of the household survey was not only to try understanding roots of the problem, but also to grasp some key elements supporting this practice.…”