An article by Project Professor Toshiyuki Yasui was published in the November 24,
2011 issue of the journal "Insurance" (Hoken Kenkyujo KK).
* We have received permission from the copyright holder to use it.
Bibliographic information is below.
Medium: "Insurance" journal
Publication date: November 24, 2011 issue
Publisher: Hoken Kenkyujo KK
Location: "Shucho" column pp.1-2
Please see here (Japanese only)