I was reading this zero hedge article : https://www.zerohedge.com/markets/never-let-crisis-go-waste

That referenced this paper by Chris Cole at Artemis Capital :

https://docsend.com/view/rjcr9rtuat3y5pa2

You need to give an email address to download the paper, but I think it's worth it.

It explains liquidity using a David Foster Wallace commencement speech that I recall reading.