Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Akihiro Otsuka,Regional determinants of total factor productivity in Japan: stochastic frontier analysis,The Annals of Regional Science,0570-1864,Springer Science and Business Media LLC,2017-02-01,58,3,579-596,https://cir.nii.ac.jp/crid/1360848656093563136,https://doi.org/10.1007/s00168-017-0808-7