• A theory for ranking distribution functions 

      Aaberge, Rolf; Havnes, Tarjei; Mogstad, Magne (Discussion papers;763, Working paper, 2013-11)
      When is one distribution (of income, consumption, or some other economic variable) more equal or better than another? This question has proven difficult to answer in situations where distribution functions intersect and ...
    • Baby booming inequality? Demographic change and earnings inequality in Norway, 1967–2000 

      Almås, Ingvild; Havnes, Tarjei; Mogstad, Magne (Journal article; Peer reviewed, 2011)
      In this paper, we demonstrate how age-adjusted inequality measures can be used to evaluate whether changes in inequality over time are due to changes in the age-structure. To this end, we use administrative data on earnings ...
    • Child care before age two and the development of language and numeracy: Evidence from a lottery 

      Drange, Nina; Havnes, Tarjei (Discussion papers;808, Working paper, 2015-05)
      Young children are thought to be vulnerable to separation from the primary caregiver/s. This raises concern about whether early child care enrollment may harm children's development. We use child care assignment lotteries ...
    • Child care, parental labor supply and tax revenue 

      Havnes, Tarjei; Andresen, Martin Eckhoff (Peer reviewed; Journal article, 2019)
      We study the impact of child care for toddlers on the labor supply of mothers and fathers in Norway. For identification, we exploit the staggered expansion across municipalities following a large child care reform from ...
    • Child care, parental labor supply and tax revenue 

      Andresen, Martin Eckhoff; Havnes, Tarjei (Discussion Papers;No. 881, Working paper, 2018-08-13)
      For identification, we exploit the staggered expansion across municipalities following a large reform from 2002. Our IV-estimates indicate that child care use causes an increase in the labor supply of mothers. Results ...
    • Early Childcare and Cognitive Development: Evidence from an Assignment Lottery 

      Drange, Nina; Havnes, Tarjei (Peer reviewed; Journal article, 2019)
      Young children are thought to be vulnerable to separation from their primary caregiver. This raises concern about whether early childcare enrollment may harm child development. We use childcare assignment lotteries to ...
    • Eldre eller rikere? : en aldersjustering av tidstrenden i inntektsulikhet 

      Havnes, Tarjei; Mogstad, Magne (Journal article, 2010)
      Kombinasjonen av store barnekull etter krigen og en sterk sammenheng mellom alder og inntekt, vil kunne gi endringer i ulikhet uten at livstidsinntektene er endret. I denne artikkelen undersøker vi hvordan endringer ...
    • Er barnehage bra for barna? 

      Havnes, Tarjei; Mogstad, Magne (Journal article, 2009)
      Barnehage har store positive eff ekter på barnas utdanningsnivå og arbeidsmarkedstilknytning i voksen alder, viser den første norske studien av langtidseff ektene av den store barnehageutbyggingen på slutten av 1970- tallet.
    • Is universal child care leveling the playing field? 

      Havnes, Tarjei; Mogstad, Magne (Discussion papers;774, Working paper, 2014-03)
      We assess the case for universal child care programs in the context of a Norwegian reform which led to a large-scale expansion of subsidized child care. We use non-linear difference-in-differences methods to estimate the ...
    • Kindergarten for all. Long run effects of a universal intervention 

      Drange, Nina; Havnes, Tarjei; Sandsør, Astrid M. J. (Discussion papers;695, Working paper, 2012-06)
      Theory and evidence points towards particularly positive effects of high-quality child care for disadvantaged children. At the same time, disadvantaged families often sort out of existing programs. To counter differences ...
    • No child left behind : universal child care and children's long-run outcomes 

      Havnes, Tarjei; Mogstad, Magne (Discussion Papers;582, Working paper, 2009)
      There is a heated debate in the US and Canada, as well as in many European countries, about a move towards subsidized, universally accessible child care. At the same time, studies on universal child care and child development ...
    • Ranking intersecting distribution functions 

      Aaberge, Rolf; Havnes, Tarjei; Mogstad, Magne (Peer reviewed; Journal article, 2021)
      Second-degree dominance has become a widely accepted criterion for ordering distribution functions according to social welfare. However, it provides only a partial ordering, and it may fail to rank distributions that ...