Media type: E-Article Title: The Information Effect of Policy Announcement Contributor: Lei, Ying; Yang, Ei; Yin, Yue Published: Elsevier BV, 2023 Published in: SSRN Electronic Journal (2023) Language: English DOI: 10.2139/ssrn.4395989 ISSN: 1556-5068 Keywords: Pharmacology (medical) Origination: Footnote: