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This study investigates firm attributes (namely level of capitalisation, scope of operation, organisational structure, organisational lifecycle, systemic importance and size) affecting the robustness of enterprise risk management (ERM) practice, the extent to which ERM affects the performance of banks and the impact of ERM on the long-term sustainability of banks in Nigeria. This was against the backdrop that the 2012 banking reform was a major regulatory intervention that mainstreamed ERM in the Nigerian banking sector.

The study employed a mixed methodology of content, trend and quantitative analyses. Ex post facto research design was deployed to analyse performance differential of banks, with respect to the implementation of ERM, over a 10-year period (2008–2017). A disclosure checklist developed from the COSO ERM integrated framework was used to assess the robustness of ERM by content-analysing divulgence on risk management in published annual reports. The banking reform periods were dichotomised into pre- (2008–2012) and post- (2013–2017) reform periods. Jonckheere–Terpstra test, independent sample t-test and Mann–Whitney test were applied to analyse a total of 1,036 firm-year observations over the period 2008–2017.

Result shows that bank attributes significantly affecting the robustness of risk management practice are level of capitalisation, scope of operation, systemic importance and size. Performance of banks improved slightly during the post-2012 banking reform period. This suggests that as banks consolidate on the gains of ERM, benefits of the regulatory policy on risk management may be realised in the long run. Result also shows that ERM enhances long-term performance, connoting that effective risk management could serve as a competitive strategy for surviving turbulence that typically characterises the banking sector.

The emergence of level of capitalisation, scope of operation, systemic importance and size as determinants of ERM provides empirical evidence to support the practice of reviewing the capital requirements for banking business from time to time by regulatory authorities (i.e. recapitalisation policy) as a strategy for managing systemic risk. Top management of banks may consider instituting mechanisms that will ensure risk management is given prominence. A proactive approach must be taken to convert risks to opportunities by banks and other financial institutions, going forward, to cope with the vicissitudes of financial intermediation.

The originality of the study stems from the consideration that it provides some new insights into the impact of ERM on banks long-term sustainability in a developing country. The study also contributes to knowledge by exposing the factors determining the robustness of risk management practice. The study developed a checklist for assessing ERM practice from annual reports and other risk management disclosure documents. The paper also adds to the scarce literature on risk governance and risk management.

The purpose of this paper is to examine the influence of CEO discretion on the real earnings management and to explore whether the discretion of the CEO to ensure accurate and reliable financial reports is influenced by the political connection of board members.

Using the generalized method of movement to control the potential endogeneity on the sample of listed companies in Nigeria, the study conducted several checks using Driscoll–Kraay panel data regression with standard error to robust the main findings.

The paper provides evidence that CEO Discretion reduces the tendency of real earnings management and improve the reporting quality. However, the CEO’s discretion to provide reliable financial reports and to reduce the likely earnings manipulation is overturn by the presence of politically connected directors.

Existing studies on CEO attributes and earnings management in Nigeria fail to explain why CEOs were involved in corporate financial scandals. This paper suggests that the presence of politically connected directors is what override and upturn the CEO discretion to dwell into real earnings manipulations. Prior studies measured political connection using a dummy variable (Chaney et al., 2011; Osazuwa et al., 2016; Tee, 2018), this paper measured political connection using the proportion of politically connected directors. This is on the idea that the presence of more politically connected directors may give them the power to override the CEOs decision.

This paper provides evidence that the banking sector reforms of 2004 and 2009 enhanced prudential performance of the banking industry and financial system stability in Nigeria.

This study uses regression analysis with regime shift to confirm results from tests of two means and variances model to examine the effectiveness of banking sector reforms in Nigeria.

Evidence from the regression model agrees with findings from the test of means model (not controlling for trend effects) that capital to assets ratio rose while non-performing loan ratio declined after the reforms, and that capital to earning assets ratio rose when trend effects were accounted for. Both the regression model and the tests of means model controlling for trend effects show that return on asset, return on equity and return on earning assets ratios declined after the reforms.

This paper evaluated the effectiveness of banking sector reforms in Nigeria using models that avoid weaknesses that besieged many previous studies. It however used data covering 1983–2020 period, due to data availability. A larger scope of data may improve the results, and future research may re-examine this theme as more data become available. Furthermore, banking stability issues could be examined using specialised techniques such as the generalised autoregressive conditional heteroscedasticity model and related family.

These results suggest that the reforms led to improvement in the sector’s resilience (risks-absorbing capacity) and asset quality, and that profitability had not been the primary focus of the reforms.

The authors recommend that regulatory and supervisory authorities in Nigeria continue to implement and improve on banking sector reforms for a more resilient and functional banking system. As a contribution to social research, this study shows that studies on policy evaluation should be located within appropriate theoretical framework: the theory of change. It shows that an appropriate use of attribution analysis and contribution analysis within this theoretical framework engenders robust analysis and results. Otherwise, the analytical findings would be erroneous and policy advice misguided.

The statistical significance of our findings establishes that the banking sector reforms in Nigeria have been effective in promoting financial system stability in Nigeria. By deploying both the test of means with and without trend effects (an attribution analysis) and the multivariate regression analysis with regulatory shift (a contribution analysis), and relying more on the later for its superiority, this study contributes to the body of knowledge in that, it not only determined the true effects of banking sector reforms in Nigeria for appropriate policy guidance but also demonstrated that, in research, an inappropriate methodology produces results that may diverge from the more accurate ones that were derived from the correct methodology.

Challenges of property data in developing markets have been reported by several authors. However, a deep understanding of the actual nature of this phenomenon in developing markets is largely lacking as in-depth studies into the actual nature of data challenge in such markets are scarce in literature. Specifically, the available literature lacks clarity about the actual nature of data challenges that developing markets pose to valuers and how this affects valuation practice. This study provides this understanding with focus on the Lagos property market.

This study utilises a qualitative research approach. A total of 24 valuers were selected using snowballing sampling technique, and in-depth semi-structured interviews were conducted. Data collected were analysed using thematic analysis with the aid of NVivo 12 software.

The study finds that the main data-related challenge in the Lagos property market is the lack of database of market property transactions and not the lack or absence of transaction data as it has been emphasised in previous studies. Other data-related challenges identified include weak property rights institution with attendant transaction costs, underhand dealings among professionals, undocumented charges, undisclosed information, scarcity of data relating to specialised assets and limited access to the subject property and required documents during valuation. Also, the study unbundles the factors responsible for these challenges and how they affect valuation practice.

The study has implication for practice in the sense that the deeper knowledge of data challenges could provide insight into strategy to tackle the challenges.

This study contributes to the body of knowledge by offering a fresh and in-depth perspective to the issue of data challenges in developing markets and how the peculiar nature of the real estate market affects the nature of data challenges. The qualitative approach adopted in this study allowed for a deep enquiry into the phenomenon and resulted into an extended insight into the peculiar nature of data challenges in a typical developing property market.

The purpose of this paper is to investigate the level of discrepancy in the valuation process adopted by valuers in the study area with a view to provide solution.

The study is based on both structured questionnaire and content analysis of valuation reports. In total, 185 (41 percent) structured questionnaires were randomly distributed to practicing estate surveying firms; out of 450 firms in Lagos, 173 were retrieved and used for analysis. However, the content analysis was based on 54 valuation reports on plants and equipment to investigate the extent of compliance to valuation process, standard and best practices among practitioners.

The findings from the study show that most of the practitioners lack the expertise to carry out plant and machinery (P&M) valuation, and there is evidence of poor application of methodology and lack of adherence to standards.

The findings from this study will reinforce the need for specialization and enforcement of standard in plant and equipment valuation practice, which will enthrone consistency, uniformity and reliability.

This study is the first to deal with methodology lapses in plant and equipment valuation in the study area. Ashaolu (2016) worked on the inter-disciplinary nature of plant and equipment valuation, whereas Otegbulu and Babawale (2011) worked on valuer’s perception or potential sources of inaccuracy in P&M valuation in Nigeria.

The purpose of this paper therefore is to identify and examine major issue-areas in law, prominent among which are the Plea-Bargain and S308 Immunity Clause, and how they impact the process of effectively combating corruption in Nigeria.

The paper uses documentary sources and analytical method to examine the issues involved.

The identified issue-areas are inhibitors rather than facilitators.

The implication is that the government needs to change the existing laws to strengthen the fight against corruption.

This is to ensure that the war against corruption is strengthened and effective.

To ensure that offenders face the full weight of the law for their action.

This paper is the author's original work and all references are appropriately acknowledged.