?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Christensen%2C+Timothy+M&rft.aufirst=Timothy+M&rft.aulast=Christensen&rft.date=March+2022&rft.atitle=Existence+and+uniqueness+of+recursive+utilities+without+boundedness&rft.title=Journal+of+Economic+Theory&rft.issn=0022-0531&rft.volume=200&rft.genre=article