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Milan_Griffes comments on Cost-effectiveness analysis: drug liberalization holds promise as a mental health intervention - Effective Altruism Forum

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Comment author: Milan_Griffes 15 September 2017 01:54:09AM *  1 point [-]

Thanks for the comments!

am I correct in interpreting that you assume 100% chance of passage in your model conditional on good polling?

No, the best-guess input is an 80% chance of passage, conditional on good polling and sufficient funding (see row 81). What "good" means here is a little underspecified – an initiative that polls at 70% favorability would have a much higher probability of passing than one that polls at 56%.

you seem to be focus on the individual treatment cost of the intervention, which overwhelms the cost of the ballot measure.

Right. You could think of this analysis as trying to model whether psychedelic treatments for mental health conditions would be cost-effective if they were available today. For example, consider a promising intervention that would entirely cure someone's depression for a year, but costs $10,000,000 per treatment. We probably wouldn't want to run a ballot initiative to increase access to such a intervention, as it wouldn't be cost-effective even if it were easily accessible.

Comment author: Michael_S 15 September 2017 02:48:50AM 0 points [-]

Cool; had missed that row. Yeah, if it polls, 70% the chance of passage might be close to 80%. Conditional upon that level of support, your estimate seems reasonable to me (assuming the ballot summary language would not be far more complex than the polled language).

Yeah, I agree that it being an effective treatment is a necessary precursor to it being a good ballot law to pass by ballot initiative and part of the EV calculation for spending money on the ballot measure itself.