This paper investigates the effect of different patent regimes on R&D investment and social welfare in a duopoly market with uncertain R&D process. We find that strong patent protection increases R&D investment of at least one firm but whether both firmsí R&D investment will be more under...

In developing countries undergoing liberalising reforms, there are typically local incumbents facing the loss of protection. Strategic lobbying by such firms for a price-capping regulatory regime can deter entry. We show that a regulatory price can be set such that the net profit of the entrant...