@inproceedings{oai:fun.repo.nii.ac.jp:00003450,
 author = {Hamaguchi, Yasuyo and Kawagoe, Toshiji and Shibata, Aiko},
 book = {60th Congress of the International Institute of Public Finance},
 month = {Aug},
 title = {An Experimental Study of Leniency Programs},
 year = {2004}
}