References Alchian. A. and Demsetz, H. (1972). Productio, information costs, and economic organization". American Economic Review, 62, 777-795. Copeland, B.R. and Taylor, M.S. (2005). "Free trade and global warming: a trade theory view of the Kyoto protocol". Journal of Environmental Economics and Management. 49, 205-234. Holmström. B. (1979). "Moral hazard and observability". Bell Journal of Economics, 10(1), 74-91. Holmström. B. (1982). "Moral hazard in teams". Bell Journal of Economics, 13(2), 324-340. "Environmental Policy Integration in Europe" EEA Technical Report. No 2/2005. Montgomery, W.D. (1972). "Markets in Licenses and Efficient Pollution Control Programs". Journal of Economic Theory, 5. 395-418. Mookherjee, D. (1984). "0ptimal incentive schemes with many agents". Review of Economic Studies, 51, 433-446. Macho-Stadler. I. and Pérez-Castrillo. D. (2006). "Optimal enforcement policy and firms' emissions and compliance with environmental taxes". Journal of Environmental Economics and Management, 51, 110-131. Wainwright, K. (1999). "Environmental Regulation, Asymmetric Information and Moral Hazard". Mimeo: Simon Fraser University. Xepapadeas. A.P. (1991). "Environmental Policy under Imperfect Information: Incentives and moral Hazard" Journal of Environmental Economics and Management, 20. 113-126.