The ongoing war of words over Richard Tol's summary of the various estimates of the costs of climate change seems to have come to an end, with the Journal of Economic Perspectives publishing another revision to the paper. The key change is in Fig 1, which previously looked like this:
The new version essentially reproduces the IPCC version of the figure, which excludes the best fit line and the confidence intervals.
;)
To my mind the rhetorical effect is to make the alarming estimates look like non-credible outliers. But perhaps that's just me. Unintended consequences eh?