Luke Stebbing


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There’s a Bayesian-adjacent notion of closeness to the truth: observations narrow down the set of possible worlds, and two hypotheses that heavily overlap in the possible are “close”.

But the underlying notion of closeness to the truth is underdetermined. If we were relativistic beings, we’d privilege a different part of the observation set when comparing hypotheses, and Newtonian gravity wouldn’t feel close to the truth, it would feel obviously wrong and be rejected early (or more likely, never considered at all because we aren’t actually logically-omniscient Bayesians).

The best plausible explanation I've seen is that Delta's serial interval might be much shorter, which would mean R is lower than you'd think if you assumed Delta had the same serial interval as older strains. (Roughly speaking, in the time it would take Alpha to infect R individuals, Delta has time to infect R and for each of those individuals to infect another R, leading to R + R^2 infections over the same period.) That makes it easier for behavior changes and increasing population immunity to lower R below 1.

I’ll defer to Blake if he’s done the math, but it does seem worth weighting correlated risks more strongly if they could take out all of MIRI. The inundation zone doesn’t look populated, though, so you’re probably fine.

Do you have a source for B.1.1.7 being dominant in Italy/Israel?

Assuming it’s already dominant there, that strongly suggests that it’s infectious enough to have rapidly outcompeted other strains, but that Italy/Israel were able to push down the higher R through some combination of behavioral change and vaccination.

(Note: I can’t find any sources saying B.1.1.7 is dominant in Italy or Israel, and I’d be surprised if that were already the case.)

Is this essentially just giving you leverage in PredictIt?

This process increased my "cash" on PredictIt by $117, but it looks like it will probably pay out around 15/14.75*850 - 850 = $15. If I lost my $117 on some other bet, would my PredictIt balance eventually end up negative?

I just donated $5,000 to your fund at the Society of Venturism, as promised.

Like Stephan, I really hope you make your goal.

This concerns me (via STL): Automatic Revocation of Exemption Information

The federal tax exemption of this organization was automatically revoked for its failure to file a Form 990-series return or notice for three consecutive years. The information listed below for each organization is historical; it is current as of the organization's effective date of automatic revocation. The information is not necessarily current as of today's date. Nor does this automatic revocation necessarily reflect the organization's tax-exempt or non-exempt status. The organization may have applied to the IRS for recognition of exemption and been recognized by the IRS as tax-exempt after its effective date of automatic revocation. To check whether an organization is currently recognized by the IRS as tax-exempt, call Customer Account Services at (877) 829-5500 (toll-free number).

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