We provide the first econometric study of efficiency for a member of the Mondragon group ofworker cooperatives. Eroski is a retail distribution chain and, most unusually, there are twodistinct types of hypermarkets: (i) cooperatives with significant employee ownership andvoice; and (ii) GESPAs...

The introduction of firm size into labor search models raises the question how wages are setwhen average and marginal product differ. We develop and analyze an alternative to theexisting bargaining framework: Firms compete for labor by publicly posting long- termcontracts. In such a competitive...