profitable strategyunder both monopoly and product market competition. The incentive for bi-sourcingdepends on the product market … and outside input market competition... …

We show the effects of Bertrand and Cournot competition on R&D investmentand social welfare in a duopoly with R …&D competition where success in R&D isprobabilistic. We show that R&D investments are higher under Bertrand (Cournot)competition when … Cournot competition can generate highersocial welfare in absence of knowledge spillover and this happens if R&D is drastic …

We show the welfare effects of entry in presence of technology licensingunder Cournot competition. If the entrant is …

This paper shows that if number of firms is determined endogenously, Cournot competition generates higher welfare … compared to Bertrand competition when products are sufficiently differentiated. If products are close substitutes, welfare is … higher under Bertrand competition. We show that the qualitative results are robust with respect to different demand …

incentive for entry and thus, increases competition. If technology of the incumbent and entrant is sufficiently close, licensing …

-tournament R&D competition. We consider thatsuccess in R&D is uncertain. We show that whether firms invest more under … Cournotcompetition or Bertrand competition is ambiguous and depends on the probability ofsuccess in R&D but does not depend on the degree … of product differentiation. While‘static’ welfare is higher under Bertrand competition, we find that ‘dynamic’ welfare …

competition policy... …