@2a70c54d get these. when i first got these posted in my now defunct blog, i got C&D by Citibank. i guess it's because am not Brad de Long 🙄 that's how i know they're legitimate, LOL

the original 2: 
2005-OCT-15
http://sandys.art/pdf/Plutonomy-citigroup_strategy_memo_part%201+2.pdf

2006-MAR-05
https://www.sourcewatch.org/images/b/bc/CITIGROUP-MARCH-5-2006-PLUTONOMY-MEMO_.pdf 

and the papers for the obscenely titled, "Rising Tides, Lifting Yachts" symposium:

2006-SEPT-29
https://delong.typepad.com/plutonomy-3.pdf