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) ERIC C. CHANG,Returns to Speculators and the Theory of Normal Backwardation,The Journal of Finance,0022-1082,Wiley,1985-03,40,1,193-208,https://cir.nii.ac.jp/crid/1363107370966824576,https://doi.org/10.1111/j.1540-6261.1985.tb04944.x