I was studying Laffont & Martimort textbook for a paper, but their section on moral hazard contract with informed principals assumes that the principal only knows his own type after contracting.
But I need a model where principal knows the type before contracting (probably with signalling issues).
Laffont & Martimort manuscript reads that such contract would be explored in a Vol. III of the textbook, but I think this volume do not exist (as Laffont got cancer and deceased right after the publishing of Vol. I). Is there any other textbook or paper that describes this model?