This paper studies whether firms' use of R&D subsidies and R&D tax incentives are correlated to two sources of underinvestment in R&D, financing constraints and appropriability. We find that financially constrained SMEs are less likely to use R&D tax credits and more likely to obtain subsidies....

We provide comparative evidence on R&D tax credit and subsidy programs by studying whether firms' participation in each program exhibits state dependence and whether cross program interactions exist and are significant. We use a panel of manufacturing Spanish firms, which could use both types of...