• Can exit prizes induce lame ducks to shirk less? Experimental evidence 

      Helland, Leif; Hovi, Jon; Monkerud, Lars Christian (Journal article; Peer reviewed, 2012)
      Elected representatives serving their final period face only weak incentives to provide costly effort. However, overlapping generations (OLG) models suggest that exit prizes sustained by trigger strategies can induce ...
    • Climate Leadership by Conditional Commitments 

      Helland, Leif; Hovi, Jon; Sælen, Håkon (Journal article; Peer reviewed, 2018)
      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 ...