Business surveys suggest that firms are more often than not quantity-constrained, either by the demand for their output or by the availability of the inputs. Until the late seventies, macro-modellers used to put most of the emphasis on sail constraints, dealing with supply-side quantity...

Cet article compare les évolutions observées dans les quatre grandes catégories socioprofessionnelles (PSC) que distinguent les enquêtes " emploi " de l’INSEE. Ce sont respectivement les cadres et professions intellectuelles supérieures, les profession intermédiaires, les employés, les...

We evaluate the determinants of matching efficiency changes through a stochastic Cobb-Douglas production frontier model extended to allow the efficiency coefficient to depend on variables meant to capture workers and firms characteristics.