I apply restricted Nadaraya-Watson kernel regression to derive the total economic impact as a function of climate change. I restrict the sample to information known at the time of Second, Third, Fourth and Fifth Assessment Reports of the Intergovernmental Panel on Climate Change. There has been...

Bootstrap and smoothed bootstrap methods are used to estimate the uncertainty about the total impact of climate change, and to assess the performance of commonly used impact functions. Kernel regression is extended to include restrictions on the functional form. Impact functions do not describe...