"Most models on centralization in wage setting rest on the assumption of identical firms. This stands in sharp contrast to informal statements against centralization wich rest on the argument that firms are heterogenous and that equal treatment of firms by unions must therefore be ineffcient. We...

"Contracting out placement services aims at enhancing the effectiveness of placements of unemployed job-seekers through market mechanisms. This paper analyses the effectiveness of the temporary assignment of needy job-seekers to private placement services by comparing their outcomes with respect...

"Most models on centralization in wage setting rest on the assumption of identical firms. This stands in sharp contrast to informal statements against centralization wich rest on the argument that firms are heterogenous and that equal treatment of firms by unions must therefore be ineffcient. We...

"Contracting out placement services aims at enhancing the effectiveness of placements of unemployed job-seekers through market mechanisms. This paper analyses the effectiveness of the temporary assignment of needy job-seekers to private placement services by comparing their outcomes with respect...