Collective environmental agreements (CEAs) refer to agreements negotiated between a group of polluting firms and a public regulatory body. The article analyses some potential problems with CEAs. First, we study free-riding. We show how the incentive constraint imposed by moral hazard determines...

The paper models the combined use of taxation and voluntary agreements when there is asymmetric information between the regulator and industry on the firms' actual emissions. The model incorporates the following features: 1) the regulator does not know the firm's special production...