We develop a general equilibrium model with heterogeneous firms à la Melitz (2003), where both the government and firms can invest into R&D to improve the country’s technological potential. A higher technological potential raises the average productivity of firms, thus implying lower consumer...

Public agencies provide subsidies for small and medium sized businesses (SMEs) to foster their development in terms of employment and sales. Although input and output additionality have been researched intensively little is known about the actual long-term effects of subsidies on SME growth....