Corrected link and link to comment

Hei, 

the link to the Nyborg and Rege (2003) paper was wrong, it is now corrected (thanks Ingrid!). Also, here is a link to a good commentary in nature on the CBA of climate change:

http://www.nature.com/news/global-warming-improve-economic-models-of-climate-change-1.14991?WT.ec_id=NATURE-20140410

God p?ske! Florian