Horizontal and Vertial Integration in the Presence of Research Spillovers
The authors investigate how different types of merger affect input prices, research levels and equilibrium profits in vertical market structures when there is research activity in the upstream market that spills over to the downstream retailers.
Link
http://econpapers.hhs.se/scripts/redir.pl?u=http%3A%2F%2Fwww.york.ac.uk%2Fdepts%2Fecon%2Fdp%2F0412.pdf;h=repec:yor:yorken:04/12