This paper studies the effect of tariffs on R&D expenditures when there are R&D spillovers between firms. We consider a three-stage game, where the government determines the amount of the tariff and R&D subsidy in the first stage, firms choose their R&D expenditures in the second stage, and...

This paper studies the impact of cooperative R&D and advertising on innovation and welfare in a duopolistic industry. The model incorporates two symmetric firms producing differentiated products. Firms invest in R&D and advertising in the presence of R&D spillovers and advertising spillovers....

This paper studies the impact of cooperative R&D on innovation, welfare, and profitability in vertically related industries with differentiated products. The model incorporates two vertically related industries, with horizontal spillovers within industries and vertical spillovers between them....

The model studies information sharing and the stability of cooperation in cost reducing Research Joint Ventures (RJVs). In a three-stage game-theoretic framework, firms decide on participation in a RJV, information sharing along with R&D expenditures, and output. An important feature of the...

This paper studies vertical R&D spillovers between upstream and downstream firms. The model incorporates two vertically related industries, with horizontal spillovers within each industry and vertical spillovers between the two industries. Four types of R&D cooperation are studied: no...