Collective bargaining agreements have been said to decrease deployment since the work of Calmfors and Driffill (1988). We investigate empirically whether opening clauses, flexible elements that have been introduced to reduce the decline in coverage, can indeed minimise this effect and increase...

The systematic use of experience rating is an original feature of the U.S. unemployment benefit system. In most states, unemployment benefits are financed by taxing firms in proportion to their separations. Experience rating is a way to require employers to contribute to the payment of...