• Accumulation of r&d capital and dynamic firm performance: a not-so-fixed effect model 

      Klette, Tor Jakob; Johansen, Frode (Discussion Papers;No. 184, Working paper, 1996)
      Considering the observed patterns of R&D investment, we argue that a model which allows for a positive feedback from already acquired knowledge to the productiveness of current research, fits the empirical evidence better ...
    • Knowledge spillovers and the timing of R&D policy 

      Bjertnæs, Geir Haakon; Heggedal, Tom-Reiel; Jacobsen, Karl (Discussion Papers;635, Working paper, 2010)
      We analyze how knowledge spillovers influence the optimal timing of R&D policy. Using numerical simulations we find that optimal subsidies to R&D may be rising over time even when the returns to knowledge is decreasing. ...
    • The effects of R&D tax credits on patenting and innovations 

      Cappelen, Ådne; Raknerud, Arvid; Rybalka, Marina (Discussion Papers;No. 565, Working paper, 2008)
      Abstract: Norwegian business spending on R&D is low by OECD standards. To stimulate business R&D, in 2002 the Norwegian government introduced a tax-based incentive, SkatteFUNN. We analyze the effects of SkatteFUNN on the ...