@TechReport{economics.dp.2011-16,
 author = {Kopp, Robert E. and Mignone, Bryan K. },
 title = {The U.S. Government’s Social Cost of Carbon Estimates after their First Year: Pathways for Improvement},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2011},
 number = {2011-16},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2011-16}
}