著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "大倉, 真人 and 柳瀬, 典由",Why do a wave of consolidations emerge and accelerate in an insurance market? : recent case in the Japanese nonlife marketplace,,Faculty of Economics Nagasaki University,2011,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130000793711979264