Dr. Richard Tol has been tweeting a statistical destruction of the "97% consensus" study, Cook et al. (2013) by educating co-author Dana Nuccitelli as to why his "sample" is not representative.
"In his defense, [Dana] has had limited exposure to stats at uni" - Richard Tol
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| Including "global" before "climate change", Cook et al. dropped 75% of papers and changed disciplinary distribution. |
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| Including "global" before "climate change", Cook et al. dropped many papers by eminent climate researchers. |
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| Including "global" before "climate change", Cook et al. dropped 33 of the 50 most cited papers. |
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| Choosing exclusive WoS over inclusive Scopus, Cook et al. dropped 35% of papers and changed disciplinary distribution. |
As Dr. Tol so eloquently put it,
"[Dana] I think your sampling strategy is a load of nonsense." - Richard Tol
CV of Dr. Richard Tol: M.Sc. Econometrics, Vrije Universiteit Amsterdam, Netherlands (1992); Ph.D. Economics (Thesis: "A decision-analytic treatise of the enhanced greenhouse effect"), Vrije Universiteit Amsterdam, Netherlands (1997); Researcher, Institute for Environmental Studies, Vrije Universiteit Amsterdam, Netherlands (1992-2008); Visiting Researcher, Canadian Centre for Climate Research, University of Victoria, Canada (1994); Visiting researcher, Centre for Social and Economic Research on the Global Environment, University College London, United Kingdom (1995); Acting Programme Manager Quantitative Environmental Economics, Institute for Environmental Studies, Vrije Universiteit Amsterdam, The Netherlands (1998-1999); Visiting Associate Professor, Department of Engineering and Public Policy, Carnegie Mellon University (1998-2000); Board Member, Centre for Marine and Climate Research, Hamburg University (2000-2006); Lead Author, IPCC (2001); Contributing Author and Expert Reviewer, IPCC (2001, 2007); Associate Editor, Environmental and Resource Economics Journal (2001-2006); Adjunct Professor, Department of Engineering and Public Policy, Carnegie Mellon University (2000-2008); Michael Otto Professor of Sustainability and Global Change, Department of Geosciences and Department of Economics, Hamburg University, Germany (2000-2006); Editor, Energy Economics Journal (2003-Present); Visiting Research Scholar, Princeton Environmental Institute and Visiting Professor, Department of Economics, Princeton University (2005-2006); Research Professor, Economic and Social Research Institute, Ireland (2006-2011); Research Fellow, Global Trade Analysis Project (GTAP), Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University (2007-2010); Associate Editor, Economics E-Journal (2007-Present); Adjunct Professor, Department of Economics, Trinity College, Ireland (2010-2011); Professor of the Economics of Climate Change, Institute for Environmental Studies and Department of Spatial Economics, Vrije Universiteit Amsterdam, Netherlands (2008-Present); Professor of Economics, Department of Economics, University of Sussex, Falmer, United Kingdom (2012-Present)
1 comment:
I hope Tol, or someone, will publish something on this soon. The methodology in the Cook study, once read in detail, is so patently flawed as to be obvious to a reasonably-educated layman.
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