• How to Use One Instrument to Identify Two Elasticities 

      Gavrilova, Evelina; Zoutman, Floris T.; Hopland, Arnt O. (Discussion paper;2/17, Working paper, 2017-02-27)
      We show that an insight from taxation theory allows identification of both the supply and demand elasticities with only one instrument. Ramsey (1928) and subsequent models of taxation assume that a tax levied on the demand ...