There is evidence that competing firms delegate R&D to the same independent profit-maximizing laboratory. We draw on this stylized fact to construct a model where two firms in the same industry offer transfer payments in exchange of user-specific R&D services from a common laboratory. Inter-firm...

This note establishes that two propositions in the theory of private common agency by Laussel and Le Breton (2001, J. Econ. Theory 100, 93-128) extend to a larger class of games, in which each principal’s gross monetary payoff does not depend exclusively on the quantities she receives. A new...