This study investigated the effect of income smoothing and earning management on the credibility of accounting information of listed manufacturing companies in Nigeria. Data used were extracted from the annual reports and accounts of the selected sixteen (16) firms for a period of 10 years (2010-2019) while content analysis was adopted in measuring accounting information credibility. Multiple linear regression analysis (OLS) method was adopted for the analysis. The result revealed that income smoothing and earnings management had statistically insignificant effect on fundamental qualitative characteristics (FQC), while income smoothing and earnings management had statistically significant effect on enhancing qualitative characteristics (EQC). However, the study obtained that income smoothing and earnings management had positive and significant effect on the credibility of accounting information of the listed manufacturing companies in Nigeria. The study opined that managers should ensure that accounting information is credible, possesses desirable accounting information qualities of relevance, and faithful representation, also verifiable, comparable, understandability, and timeliness.
Contribution/Originality:This study is one of very few studies which have investigated how earnings management practices impacted on objectivity of reported financial information and breach of investors' trust in the management due to information asymmetry.
INTRODUCTIONCredibility of accounting information is highly desired because it has the potency and ability to add value to investment decision made, using credible accounting information since it is reliable and dependable. The lending credibility theory suggested that the primary function of the auditors is to add value and credibility to the financial statement prepared by the management. Credibility of accounting information is a priceless and inestimable commodity that can be offered by the auditor to the public. In other words, the value of accounting information is absolutely void and insignificantly valueless if the credibility of its information contents is lacking (Jung, Soderstrom, & Yang, 2013). Credibility and reliability of accounting numbers enhance users' confidence in using the financial statements, it is capable of adding value to investment decisions and a reflection of the absence of information asymmetry, a hallmark of transparency and accountability and virtue that every audited financial