2Bruce E. Hansen.Threshold effects in non-dynamic panels: Estimation, testing, and inference[J]Journal of Econometrics,1999(2).
3OlivieroA. Carboni.R&D subsidies and private R&D expenditures: evidence from Italian manufacturing data[J]International Review of Applied Economics,2011(4).
4Chang-Yang Lee.The differential effects of public R&D support on firm R&D: Theory and evidence from multi-country data[J]Technovation,2011(5).
5Chiara Binelli,Alessandro Maffioli.A Micro-econometric Analysis of Public Support to Private R&D in Argentina[J]International Review of Applied Economics,2007(3).
6Xulia González,Consuelo Pazó.Do public subsidies stimulate private R&D spending?[J]Research Policy,2007(3).
7Paul A. David,Bronwyn H. Hall,Andrew A. Toole.Is public R&D a complement or substitute for private R&D? A review of the econometric evidence[J]Research Policy,2000(4).
