Comparing ESG performance across corporate bond issuers is challengingbecausedata disclosure isinconsistent, particularly inprivate marketsandnon-listed companies. Unlike equities, where ESG disclosures are oftenregulated, bond issuers arenot always requiredto providedetailed ESG reporting.

Option A is incorrect becauseESG data for municipal bonds is often incomplete or unreliable. Option B is incorrect because while some ESG data for corporate bonds ispublicly available, it isnot standardizedacross issuers, making analysis difficult.