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) ,R&D Spillovers and Foreign Market Entry : Acquisition vs.Greenfield Investment,(forthcoming).International Economic Journal.,,,,,,,https://cir.nii.ac.jp/crid/1010282257019175429,