@TechReport{economics.dp.2011-40,
 author = {Ackerman, Frank and Stanton, Elizabeth A.},
 title = {Climate Risks and Carbon Prices: Revising the Social Cost of Carbon},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2011},
 number = {2011-40},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2011-40}
}