by I’ve just been advised that my latest article “The importance of ‘extremely unlikely’ events: Tail risk and the costs of climate change” has come out online in The Australian Journal of Agricultural and Resource Economics. For those who can use it, the DOI is 10.1111/1467-8489.12238. For everyone else, here’s a link to a pre-publication version. The main points are * The IPCC convention is to use the phrase “extremely unlikely” to refer to outcomes (in particular, values of climate sensitivity) in the range of 0–5 per cent. * Most of the risks against which we act to protect and insure ourselves (for example, car crashes, premature death in any given year) are “extremely unlikely” by this definition * Around half, or even more, of the expected welfare loss from climate change arises
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I’ve just been advised that my latest article “The importance of ‘extremely unlikely’ events: Tail risk and the costs of climate change” has come out online in The Australian Journal of Agricultural and Resource Economics. For those who can use it, the DOI is 10.1111/1467-8489.12238. For everyone else, here’s a link to a pre-publication version. The main points are
* The IPCC convention is to use the phrase “extremely unlikely” to refer to outcomes (in particular, values of climate sensitivity) in the range of 0–5 per cent.
* Most of the risks against which we act to protect and insure ourselves (for example, car crashes, premature death in any given year) are “extremely unlikely” by this definition
* Around half, or even more, of the expected welfare loss from climate change arises from the worst-case 5 per cent of high values for climate sensitivity.
Nothing really startling here, but it’s the other side of the coin to the contrarian suggestion that since there’s a 5 per cent probability that global warming will turn out not to be a problem, we should do nothing.