@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00052058,
 author = {Ui, Takashi},
 month = {Jun},
 note = {Publisher's another name: JSPS Grants-in-Aid for Scientific Research (S) Central Bank Communication Design},
 title = {The Lucas Imperfect Information Model with Imperfect Common Knowledge},
 year = {2019}
}