• Climate Leadership by Conditional Commitments 

      Helland, Leif; Hovi, Jon; Sælen, Håkon (Peer reviewed; Journal article, 2017)
      Under the 2015 Paris climate agreement, each Party sets its own mitigation target by submitting a Nationally Determined Contribution (NDC) every five years. An important question is whether including conditional components ...
    • When Does Informal Enforcement Work? 

      Aakre, Stine; Helland, Leif; Hovi, Jon (Journal article; Peer reviewed, 2016)
      We study experimentally how enforcement influences public goods provision when subjects face two free-rider options that roughly parallel the nonparticipation and noncompliance options available for countries in relation ...