A Two-Countries Two-R&D-Sectors Model Of Growth And Trade

This paper presents a two-country dynamic model of Schumpeterian growth with two innovative R&D sectors in each country: a vertical R&D sector that improves the quality of existing differentiated products and a horizontal R&D sector that creates new differentiated products. The two countries exchange differentiated products and beneficiate from knowledge spillovers, possibly from the other country. The authors opt for an endogenous growth without scale effect specification à la Howitt (1999) and explore the consequence on home research and production of an increase of research capacities in foreign country (possibly impulsed by R&D subsidies).