Does anyone know if there has been any work done to evaluate the process of writing research proposals? (e.g. for European H2020 projects)? Effort? Costs? Average acceptance rates?
Interesting question. I think getting in touch with some of the typical project coordinators in the European context like "PTJ Jülich" or "INTERREG" or "DFG"will get you more information. Their websites will be a good place to start for further info including relevant contacts.
If my memory serves me correctly, they do a survey by sending a questionnaire to successful project proposals each year. Hope it helps. Wish you the best.