Tax expenditures are generally defined as those government expenditures carried out through tax legislation, regulations, and practices that reduce or defer taxes for some taxpayers. There is a general concern that the tax expenditures negatively affect the budget and tax policies, which in turn...

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....