著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Sara J. Solnick and David Hemenway,Is more always better?: A survey on positional concerns,Journal of Economic Behavior & Organization,0167-2681,Elsevier BV,1998-11,37,3,373-383,https://cir.nii.ac.jp/crid/1364233269312998016,https://doi.org/10.1016/s0167-2681(98)00089-4