While trade unions have been studied in detail, there is virtually no economics research on employer associations (EAs), trade unions' counterparts in many countries. However, besides conducting collective bargaining, EAs perform several other activities that can in uence economic outcomes,...

How much value does collective bargaining add to the working conditions already established in general labour law? In this paper we propose a methodology to address this question: we compare the specific contents of collective agreements (except minimum wages) to their equivalent norms set by...