Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OHYAMA Michihiro,UNEMPLOYMENT AND INFLATION: NATURAL WAGE RATE HYPOTHESIS,Keio economic studies,0022-9709,"Keio Economic Society, Keio University",1987,24,2,11-26,https://cir.nii.ac.jp/crid/1570572701831042944,