• Lumpy investments, factor adjustments and productivity 

      Nilsen, Øivind A.; Raknerud, Arvid; Rybalka, Marina; Skjerpen, Terje (Discussion Papers;No. 441, Working paper, 2005)
      Abstract: This paper describes firms' output and factor demand before, during and after episodes of lumpy investments using a rich employer-employee panel data set for two manufacturing industries and one service industry. ...
    • Public R&D Support and Firms’ Performance A Panel Data Study 

      Nilsen, Øivind A.; Raknerud, Arvid; Iancu, Diana-Cristina (Discussion Papers;No. 878, Working paper, 2018-06-19)
      We analyse all the major sources of direct and indirect R&D subsidies in Norway in the period 2002-2013 and compare their effects on individual firms’ performance. Firms that received support are matched with a control ...
    • Skill composition: exploring a wage-based skill measure 

      Nilsen, Øivind A.; Raknerud, Arvid; Rybalka, Marina; Skjerpen, Terje (Discussion Papers;No. 531, Working paper, 2008)
      Most studies of heterogeneous labor inputs use classifications of high skilled and low skilled based on workers' educational attainment. In this study we explore a wage-based skill measure using information from a wage ...
    • Using the Helmert-transformation to reduce dimensionality in a mixed model: An application to a wage equation with worker and firm heterogeneity 

      Nilsen, Øivind A.; Raknerud, Arvid; Skjerpen, Terje (Discussion Papers;No. 667, Working paper, 2011)
      Abstract: A model for matched data with two types of unobserved heterogeneity is considered – one related to the observation unit, the other to units to which the observation units are matched. One or both of the unobserved ...