Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masaki Fujimoto,A Geometrical Approach to Giffen Behavior: The Epstein and Spiegel Utility Function Revisited,The Manchester School,1463-6786,Wiley,2017-07-16,86,,681-694,https://cir.nii.ac.jp/crid/1871709542575552512,https://doi.org/10.1111/manc.12198