I'm just now catching up on a report issued by a federal cross-agency working group titled "Economic Analyses of Federal Scientific Collections: Methods for Documenting Costs and Benefits" in late November 2020. This may be valuable for stewards of other collections beyond federally-supported ones.

Some background on the development of the report , and a video introducing the report, are at:

https://iwgsc.nal.usda.gov/economic-analyses-federal-scientific-collections

and the report can be downloaded at

https://smithsonian.figshare.com/articles/report/Economic_Analyses_of_Federal_Scientific_Collections_Methods_for_Documenting_Costs_and_Benefits/13241612/1

Clifford Lynch
Director, CNI