• How Big-4 Firms Improve Audit Quality 

      Che, Limei; Hope, Ole-Kristian; Langli, John Christian (Peer reviewed; Journal article, 2020)
      This paper studies whether and how Big-4 firms provide higher-quality audits than non-Big-4 firms. Specifically, we first examine a Big-4 effect and then explore three sources of the Big-4 effect. To test the Big-4 effect, ...