PMC:7589389 / 7325-7590 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T28","span":{"begin":248,"end":249},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"g public health threats and accumulative abnormal return. Third, we additionally examine the firm heterogeneity in the effect of increasing threats on market reaction and find that the negative effect of increasing threats is weaker for firms with a higher level of"}