1. See news.bbc.co.uk/1/hi/world/europe/6732787.stm.
2. A.D. Ellerman, et al. Markets for Clean Air: The U.S. Acid Rain Program, Cambridge Univ. Press, Cambridge, 2000; N. Stern, The Economics of Climate Change: The Stern Review, Cambridge Univ. Press, Cambridge, 2007; A Blueprint for a Safer Planet, Random House, London, 2009, p. 39; Emission Trading: Environmental Policy’s New Approach, in: R.F. Kosobud, D.L. Schreder, H.M. Biggs (Eds.), John Wiley & Sons, Inc., New York, 2000; Voluntary Carbon Markets: An International Business Guide to What They Are and How They Work, in: R. Bayon, A. Hawn, K. Hamilton (Eds.), Earthscan Publications Ltd., London, 2009; Emission Trading: Institutional Design, Decision Making and Corporate Strategies, in: R. Antes, B. Hansjurgens, P. Letmathe (Eds.), Springer, New York, 2008.
3. Complexity and the Economy
4. Emergence of cooperation and organization in an evolutionary game