Purpose – The purpose of this paper is to advance a new way of explaining and tackling the illegitimate wage practice where employers pay their employees an undeclared (envelope) wage in addition to their formal salary. Drawing upon institutional theory, it is here proposed that envelope wages...

Purpose – The purpose of this paper is to evaluate critically the “marginalisation” thesis, which holds that marginalised populations disproportionately participate in undeclared work. Until now, the evidence that participation in undeclared work is higher in marginalised areas (e.g....