We study how the migration from an old to a new technology is affected by the access price to the old technology. We show that both the incumbent and the regulator are willing to set a very high access price to accelerate consumers' migration to the new technology. When the quality of the old...

In many industrial sectors, firms amass large patents portfolios to reinforce their bargaining position vis a vis competitors. In a context where patents have a pure strategic nature, we discuss how the presence and the effectiveness of a patent system affect firms technological decisions....

We model a three-stage duopolistic game where firms first simultaneously choose the technological direction of their innovation, then invest in the chosen direction, and finally, compete. Investments can be in competing or non-competing innovations and their outcome is uncertain. If successful,...