Author	Title	Journal	ISSN	Publisher	Date	Volume	Number	Page	URL	URL(DOI)
NAKAYACHI Kazuya	An Examination of Zero-risk Effect in Willingness to Pay for Protective Actions	The Japanese journal of psychology	00215236	The Japanese Psychological Association	1998-00-00	69	3	171-177	http://ci.nii.ac.jp/naid/110000240127/en/	10.4992/jjpsy.69.171