From Scholastica’s 2020 “State of Journal Production and Access” report:

Transformative agreements were a lower rated option, with 54% of survey respondents selecting “low” or “no” potential and only 32% of respondents selecting “some” or “very” high potential.

Scholastica, a small for-profit journal-hosting platform, surveyed 63 society and university publishers on, among other things, the “potential” of various funding options. The chart: