[FRIAM] one adage a day.

[Steve Smith]

Nick -

    Nice complement to "Your opinion of me is none of my business".

- Steve

>  
>
> Never explain yourself: you don’t know a damn thing about yourself,
> and everybody Else already knows more than they want to know. 
>
>  
>
> Back to the couch,
>
>  
>
> Nick
>
> Nicholas Thompson
>
> Emeritus Professor of Ethology and Psychology
>
> Clark University
>
> ThompNickSon2 at gmail.com <mailto:ThompNickSon2 at gmail.com>
>
> https://wordpress.clarku.edu/nthompson/
> <https://wordpress.clarku.edu/nthompson/>
>
>  
>
>  
>
> *From:* Friam <friam-bounces at redfish.com> *On Behalf Of *David Eric Smith
> *Sent:* Wednesday, December 9, 2020 7:25 AM
> *To:* The Friday Morning Applied Complexity Coffee Group
> <friam at redfish.com>
> *Subject:* [FRIAM] More on social mobility
>
>  
>
> To continue to try to add raw material to the discussion that EricC
> took up on this when I made some overly-simple claims earlier, here is
> a Brookings summary article on work by Raj Chetty (cited in the
> earlier thread as well):
>
> https://www.brookings.edu/blog/social-mobility-memos/2018/01/11/raj-chetty-in-14-charts-big-findings-on-opportunity-and-mobility-we-should-know/
> <https://www.brookings.edu/blog/social-mobility-memos/2018/01/11/raj-chetty-in-14-charts-big-findings-on-opportunity-and-mobility-we-should-know/>
>
> A thing I find striking in Chetty’s output is how many compilations he
> can produce that make statistical analysis superfluous.  There are
> data that are so close to a perfect line that there is little for a
> regression to do, or that are so consistent with time-constancy that
> there is no suggestion of a signal to look for other than stasis.  A
> lot of it seems to come from finding good conditions on which to bin
> data, though the bin categories do not seem highly artificial or
> cherry-picked, to me.
>
>  
>
> I got to the above from an article by Edsall that, again, seems to me
> well-sourced:
>
> https://www.nytimes.com/2020/12/09/opinion/trump-social-status-resentment.html
> <https://www.nytimes.com/2020/12/09/opinion/trump-social-status-resentment.html>
>
>  
>
> So probably necessary to refuse to speak in sound-bites about income
> or wealth mobility, and to use more complete sentences that refer to
> specific conditions, even though if one has that granularity, there
> are interpretations of the sound-bite that mobility has been badly
> impaired that still seem correct, to me.
>
>  
>
> EricS
>
>  
>
>  
>
>
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