• COVID-19 and mental health: a longitudinal population study from Norway 

      Hvide, Hans K.; Johnsen, Julian Vedeler (Journal article; Peer reviewed, 2022)
      Existing research has found adverse short-term effects of the COVID-19 pandemic on mental health, but longer-term effects have been less documented. Using newly released register data on all general practitioner consultations ...
    • Economic Effects of Workfare Reforms for Single Mothers: Benefit Substitution and Labour Supply Responses 

      Johnsen, Julian Vedeler; Reiso, Katrine Holm (Peer reviewed; Journal article, 2020)
      We analyse the economic effects of nationwide Norwegian reforms on the state benefit programme targeting single mothers. Our results show that for each reduction of 100 Norwegian kroner (NOK) in benefit payments from the ...
    • The effect of negative income shocks on pensioners 

      Johnsen, Julian Vedeler; Willen, Alexander L.P. (Journal article; Peer reviewed, 2022)
      This paper provides the first evidence on the labor supply response to negative income shocks among full-time retirees, exploiting an institutional feature that caused differential and unexpected income losses among otherwise ...
    • Grønn skatt: fra Pigou til institusjonell økonomi? 

      Johnsen, Julian Vedeler (Master thesis, 2010-09-01)
      Grønn skatt er basert på A. C. Pigous velferdsøkonomiske analyse. Problemstillingen i oppgaven er hvorvidt standard velferdsøkonomisk teori tilbyr en fullgod innfallsvinkel til å analysere grønn skatt. Oppgaven peker på ...
    • Parental age and birth defects: a sibling study 

      Hvide, Hans K.; Johnsen, Julian Vedeler; Salvanes, Kjell Gunnar (Journal article; Peer reviewed, 2021)
      Higher parental age at childbearing has generated much attention as a potential risk factor for birth disorders; however, previous research findings are mixed. Existing studies have exploited variation in parental age ...