We analyze a competitive labor market in which workers signal their productivities through education à la Spence (1973), and firms have the option of auditing to learn workers’ productivities. Audits are costly and non–contractible. We characterize the trade–offs between signaling by...

Since 13 July 1993 the EC eco-audit regulation has regulated voluntary participation of enterprises in eco-auditing. As. yet it is a vague plan for environmental management systems and eco-auditing of enterprises, which in practice, when it comes to implementing it, may be interpreted in many...