• 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 ...
    • Instrument-based estimation with binarised treatments: issues and tests for the exclusion restriction 

      Andresen, Martin Eckhoff; Huber, Martin (Peer reviewed; Journal article, 2021-02-02)
      When estimating local average and marginal treatment effects using instrumental variables (IVs), multivalued endogenous treatments are frequently converted to binary measures, supposedly to improve interpretability or ...