Microsoft Word - 001MW GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 Gusau Journal of AccountingandFinance (GUJAF) Vol.5Issue1,April,2024ISSN:2756-665X A Publication of DepartmentofAccountingandFinance, Faculty of Management and Social Sciences, FederalUniversityGusau,ZamfaraState-Nigeria ©DepartmentofAccountingandFinance GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 ii Vol.5Issue1 April, 2024 ISSN:2756-665X A Publication of DepartmentofAccountingandFinance, Faculty of Management and Social Sciences, FederalUniversityGusau,ZamfaraState-Nigeria All Rightsreserved Except for academic purposes no part or whole of this publication is allowed to be reproduced, stored in a retrieval system or transmitted in any form or by any means be it mechanical,electrical,photocopying,recordingorotherwise,withoutpriorpermissionofthe Copyright owner. Publishedandprinted by: AhmaduBelloUniversityPressLimited,Zaria Kaduna State, Nigeria. 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Rahman DepartmentofAccounting,LagosStateUniversity,Lagos State. Prof.SuleimanA.S.Aruwa DepartmentofAccounting,NasarawaStateUniversity, Keffi,Nasarawa State. Prof.MuhammadJunaidu Kurawa Departmentof Accounting, BayeroUniversityKano,KanoState. Prof.MuhammadHabibuSabari DepartmentofAccounting,Ahmadu BelloUniversity, Zaria. Prof.OkpanachiJoshua Departmentof AccountingandManagement,NigerianDefenceAcademy,Kaduna. GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 iv Prof.HassanIbrahim DepartmentofAccounting, IBBUniversity, Lapai,Niger State. Prof.IfeomaMaryOkwo DepartmentofAccounting,EnuguStateUniversityofScienceandTechnology,EnuguState. Prof.AminuIsah DepartmentofAccounting, BayeroUniversity,Kano,Kano State. Prof.AhmaduBello DepartmentofAccounting,Ahmadu BelloUniversity, Zaria. Prof.MusaYelwaAbubakar DepartmentofAccounting,Usmanu DanfodiyoUniversity,Sokoto State. Prof.SalisuAbubakar DepartmentofAccounting,Ahmadu BelloUniversityZaria, Kaduna State. Prof.SunusiSa'ad Ahmad Departmentof Accounting,FederalUniversityDutse,JigawaState. Prof.Isaq AlhajiSamaila DepartmentofAccounting, BayeroUniversity,Kano State. Dr.FatimaAlfa DepartmentofAccounting,UniversityofMaiduguri,BornoState. Dr.NasiruA.Ka’oje Departmentof Accounting,UsmanuDanfodiyoUniversitySokotoState. Dr.Aminu Abdullahi Departmentof Accounting,UsmanuDanfodiyoUniversitySokoto,State. Dr.OnipeAdebenege Yahaya DepartmentofAccounting,NigerianDefenceAcademy,Kaduna State. Dr.Saidu Adamu DepartmentofAccounting,FederalUniversityofKashere,Gombe State. Dr.NasiruYunusa Departmentof Accounting,AhmaduBelloUniversityZaria. Dr.Aisha Nuhu Muhammad Departmentof Accounting,AhmaduBelloUniversityZaria. Dr. Lawal Muhammad Departmentof Accounting,AhmaduBelloUniversityZaria. GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 v Dr.Farouk Adeza SchoolofBusinessandEntrepreneurship,AmericanUniversityofNigeria,Yola. Dr.BashirUmar Farouk DepartmentofEconomics,FederalUniversityGusau,Zamfara State. 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PAYMENTDETAILS Bank:FCMB AccountNumber:7278465011 AccountName:Gusau Journalof Accountingand Finance FORINQUIRY TheHead, Department of Accounting and Finance, FederalUniversityGusau,ZamfaraState. elfarouk105@gmail.com +2348069393824 FORMOREINFORMATION, CONTACT TheEditor-in-Chiefon+2348067766435 TheAssociateEditoron+2348036057525 ORvisit ourwebsiteonwww.gujaf.com.ngorjournals.gujaf.com.ng GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 362 MODERATING EFFECT OF FIRM ENVIRONMENTAL SENSITIVITY ON THE RELATIONSHIP BETWEEN SUSTAINABILITY REPORTING DIMENSIONS AND FINANCIAL PERFORMANCE OF AN EMERGING MARKET ECONOMY Ahmed Oluwatobi Adekunle Department of Accounting Science, Walter Sisulu University, Mthatha, South Africa. aadekunle@wsu.ac.za https://doi.org/10.57233/gujaf.v5i1.17 Abstract This study examines the moderating role of firm environmental sensitivity on the relationship between sustainability reporting dimensions, environmental, social, and governance disclosures, and the financial performance of nine listed oil and gas firms in Nigeria from 2019 to 2023. Employing panel data analysis and interaction models, the results reveal that environmental and social reporting have a positive influence on financial performance, while governance reporting shows an insignificant effect. Firm environmental sensitivity significantly moderates the impact of environmental reporting on financial outcomes, underscoring the importance of contextual industry factors in enhancing the value of sustainability disclosures. The findings contribute to the literature by integrating firm-specific environmental sensitivity into the analysis ofsustainability reporting effectiveness, providing valuable insights for regulators, investors, and corporate managers aiming to optimize sustainability practices within environmentally sensitive sectors. Keywords: Sustainability Reporting, Financial Performance, Environmental Sensitivity, Oil and Gas Firms, Panel Data, Nigeria JELCodes:G30,M14,Q56,L71 1.0 Introduction The integration of sustainability reporting into corporate strategy has gained increasing prominence globally, especially in sectors characterized by significant environmentalimpacts, such as the oil and gas industry. Sustainability reporting (SR) encompasses disclosures related to environmental, social, and governance (ESG) dimensions, providing stakeholders with insights into firms‘ non-financial performance and their commitment to sustainable development (Khan, Serafeim, & Yoon, 2021). Financial performance,commonly measured by indicators such as Return on Assets (ROA), remains a key concern for investors and managers. However, the direct effect of sustainability reporting on financial outcomes is often nuanced and can be influenced by firm-specific factors, including the degree of environmental sensitivity (FES) inherent to the firm‘s operations (Clarkson, Li, Richardson,&Vasvari, 2008).This studyfocuses on exploringthe moderatingroleoffirmin the relationship between sustainability reporting and financial performance within the Nigerian oil and gas sector. Nigeria‘s oil and gas sector is critical to the country‘s economy, contributing substantially to national revenue and employment (Olayiwola & Adedeji, 2022). However, it is also marked by significant environmental risks and challenges, including oil spills, gas flaring, and pollution, which have necessitated increased attention to corporate environmental responsibility and transparency (Dibia & Onwuchekwa, 2020). Given these contextual challenges,thesectoroffersauniquesettingtoexaminehowfirm-levelenvironmental GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 363 sensitivity, reflecting the extent to which firms are exposed or responsive to environmental risks, may alter the financial impact of sustainability disclosures. This study examines seven publicly listed Nigerian oil and gas firms over the period 2019 to 2023, employing census sampling from the nine listed firms, with two firms excluded due to incomplete data. The literature provides mixed evidence on the link between sustainability reporting and financial performance. While some studies suggest positive effects due to enhanced reputation, stakeholder trust, and operational efficiencies (Michelon et al., 2015; Khan et al., 2021), others report ambiguous or negligible impacts, particularly when firm characteristics such as size, leverage, and FES are not considered (Ameer & Othman, 2012). Incorporating FES as a moderating variable allows for a more nuanced understanding of the relationships, recognizing that firms operating in environmentally sensitive contexts derive differential benefits from their sustainability efforts compared to less sensitive peers (Cormier &Magnan, 2007). The study‘s approach utilizes panel data techniques to account for bothcross-sectional and temporal variations, therebycapturing dynamic firm behavior and market conditions across the five-year period. By including FES as an interaction term with sustainabilityreportingdimensions, theanalysis seeks to identifywhether and howthis factor amplifies or diminishes the financial returns to sustainability disclosures. This approach aligns with recent calls in corporate governance and sustainability research emphasizing the contextual and conditional nature of ESG impacts (Eccles et al., 2014; Uwuigbe & Uadiale, 2011). This research contributes to the growing body of knowledge on ESG reporting in emerging markets by providing empirical evidence from Nigeria‘s oil and gas sector, a relatively underexplored context with high environmental stakes. The findings have implications for regulators, investors, and corporate managers by highlighting the critical role of firm environmental sensitivity in shaping the financial value of sustainability disclosures. Furthermore, the study informs policy frameworks aimed at enhancing corporatetransparency and sustainable development within extractive industries in emerging economies. The remainder of the paper is structured as follows. Section 2 reviews relevant literature and theoretical foundations, Section 3 outlines the methodology and data sources, Section 4 presents the results and discussion, and Section 5 concludes with policy implications, limitations, and recommendations for future research. 2.0 Literatureand Hypotheses The relationship between sustainability reporting and firm financial performance has been widely discussed within the broader context of corporate governance and stakeholder engagement. Several interrelated theories offer robust explanatory power, namely, agency theory, stakeholder theory, resource-based view (RBV), and the legitimacy theory. These theories, collectively, inform the conceptual basis for examining how firm-level FES moderates the link between sustainability disclosure practices and financial outcomes. Agency theory remains foundational in corporate governance research and explains how divergenceininterestsbetweenmanagers(agents)andshareholders(principals)necessitates GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 364 mechanisms for monitoring and alignment (Jensen & Meckling, 1976). Within this framework,sustainabilityreportingcanbeseenas agovernancetoolthatreducesinformation asymmetry and agency costs by providing stakeholders with transparent insights into the firm‘s operations (Shan & Tang, 2020). The firms disclosing high-quality environmental, social, and governance (ESG) information may attract more patient capital and reduce their cost of capital, thus enhancing financial performance (Dhaliwal et al., 2011; Arowoshegbe et al., 2021). Stakeholder theory, on the other hand, asserts that firms are accountable not only to shareholders but also to a wider array of stakeholders, including customers, communities, regulators, and the environment (Freeman, 1984). The theory postulates that firms engaging proactively with stakeholder concerns through sustainability disclosures are more likely to build legitimacy, trust, and long-term viability (Fernando & Lawrence, 2014). In the context of environmentally sensitive sectors like oil and gas, firms that address ecological risks explicitly in their reports tend to face less regulatory backlash and benefit from enhanced reputational capital (Michelon et al., 2015; Ikpor & Acha, 2023). Consequently, firm environmental sensitivity (FES) may intensify stakeholder scrutiny and expectations, making the quality and scope of ESG disclosures more consequential for financial performance. Resource-Based View (RBV) theory proposed that sustainability capabilities, such as transparent reporting, stakeholder engagement systems, and environmental risk management protocols, constitute valuable, and inimitable resources that can generate sustained competitive advantage (Barney, 1991; Hart, 1995). As firms develop strategic competencies in managing ESG issues, especially in high-risk environments, they can realize superior financial returns through innovation, operational efficiencies, and brand differentiation (Agyemang et al., 2021). Firm FES thus serves as a contextual amplifier, as firms withgreater exposure to risks are compelled to develop these capabilities more intensively, which may enhance or condition the performance impact of their ESG practices (Klettner et al., 2014). Lastly, LegitimacyTheory posits that firms operate within a broader social contract and must maintain legitimacy by aligning with societal norms and expectations (Suchman, 1995). In resource-intensive industries like oil and gas, firms are often under pressure to demonstrate environmental responsibility in developing economies where institutional oversight is variable (Odoemelam et al., 2019). Sustainability reporting becomes a strategic response to legitimize operations and mitigate socio-political risks. Environmental sensitivity plays a critical role here, as firms that are more environmentally exposed are more likely to face legitimacypressuresfromhostcommunities,civilsociety,and globalstakeholders (Sulaimon et al., 2020). Bringing these perspectives together, the theoretical expectation is that the financial performance outcomes of sustainability reporting are not uniform but contingent upon the firm‘s environmental context. Firms with high environmental sensitivity may derive more significant reputational and financial gains from sustainability disclosures due to higher stakeholder expectations, regulatoryrisks, and potential for value creation through ecological innovation.Thisstudythereforepositionsfirmenvironmentalsensitivity(FES)asa GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 365 moderating construct that shapes the efficacy of sustainability practices in driving financial returns, especially in the ecologically intensive Nigerian oil and gas sector. EmpiricalReview The empirical nexus between sustainability reporting and firm financial performance hasbeen widely explored across diverse contexts and industries, with mounting evidence suggesting that ESG disclosures exert significant influence on firm value, profitability, and risk management outcomes. In resource-intensive and environmentally sensitive sectors such as oil and gas, this relationship is further complicated by contextual factors including stakeholder pressure, environmental liabilities, and institutional frameworks (Ikpor &Acha, 2023; Buallayet al., 2021). Notably, the moderating role of firm-specific characteristics such as environmental sensitivity (FES) is gaining traction in empirical research, particularly in developing economies whereregulatoryenforcement remains fragmented (Odoemelam et al., 2019; Appiah et al., 2022). A strand of recent studies has confirmed that enhanced ESG disclosure correlates positively with firm performance metrics such as return on assets (ROA), return on equity (ROE), and Tobin‘s Q. For example, Agyemang et al. (2021) examined 58 firms in Ghana and found that high-quality sustainability reporting improved financial performance, especially among environmentallysensitive firms. Similarly, García-Sánchez et al. (2020) employed panel data from 144 EU firms and documented that corporate environmental reporting reduced firm risk and improved market valuation, particularly when disclosures were externally assured. In the Nigerian context, Okafor et al. (2021) observed that sustainability disclosures by listed industrial firms significantly increased financial performance and investor confidence. Environmental sensitivity has emerged as a critical contingency variable. Michelon et al. (2020) showed that environmentally exposed firms benefit more from sustainability disclosures due to greater stakeholder scrutiny, which incentivizes proactive ESG practices.In astudyof152 oil and gas firms acrossAfrica, Ogaret al. (2023) concluded that firms with higher pollution potential experienced a stronger positive relationship between ESG disclosures and ROA, consistent with stakeholder and legitimacy expectations. Furthermore, Mgbame et al. (2022) provided evidence from 72 Nigerian firms, showing that the presence of community grievances and environmental protests significantly enhanced the relevance of ESG reporting for financial performance. Empirical results remain nuanced, however. While some studies confirm the linearity of the ESG-performance nexus, others indicate threshold or conditional effects. Using quantile regression, Buallay et al. (2021) reported that ESG disclosures had a stronger effect on financial performance at the upper quantiles of firm size and environmental exposure. Similarly, Nwobu and Olanipekun (2020) established a nonlinear association between ESG scores and ROE in Nigerian extractive industries, underscoring the importance of contextual moderation. This variability further supports the argument for incorporating moderating constructs such as environmental sensitivity in modeling efforts (Ikpor & Acha, 2023). The dimensions of ESG reporting exhibit heterogeneous impacts. For instance, Otusanya and Lauwo (2020) found that environmental disclosures had the most significant impact on firm performanceintheoilandgassector,whereassocialandgovernancedisclosuresshowed GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 366 mixed effects. Conversely, Usman and Amran (2021) showed that firms with strong governancedisclosures and stakeholderinclusion frameworks posted better long-term returns in emerging markets. Such divergence reinforces the necessity of dimension-specific analyses, especially within sectors marked by high environmental externalities. In terms of methodological advances, recent studies have adopted panel-corrected standard errors, dynamic GMM, and structural equation modeling to mitigate endogeneity issues. For instance, Abiodun and Oluwatosin (2023) used GMM to analyze the feedback loop between sustainability practices and financial performance in 45 Nigerian firms and concluded that ESG reporting not only affects profitability but is also shaped by past performance. These results align with earlier findings from Alsaifi et al. (2020), who emphasized that ESG- performance links are both cause and consequence, particularly in sectors with strong stakeholder activism. Moreover, firm characteristics such as size, leverage, and board independence also moderate the ESG financial performance link. Okereke et al. (2021) found that highly leveraged firms in Nigeria were less responsive to ESG disclosures in improving ROA, while large firms reaped greater benefits due to economies of scale in compliance and stakeholdermanagement. Similar findings by Atangana et al. (2022) in the Cameroonian extractive industry suggest that large, environmentally sensitive firms often embed ESG reporting as part of their corporate strategy to safeguard long-term returns. Hypotheses Development Sustainability reporting, particularly environmental disclosure, has become a strategic toolfor firms to communicate environmental responsibility, risk mitigation, and long-term value creation. Empirical studies show that when firms effectively disclose their environmental strategies, such as emission controls, energy efficiency, waste management, and environmental compliance, to gain a competitive advantage and stakeholder trust, which enhances financial performance (García-Sánchez et al., 2020; Alsaifi et al., 2020). Firms in the oil and gas sector are especially scrutinized for their environmental impacts, and research indicates that proactive environmental disclosure can reduce financing costs, mitigate litigation risks, and improve access to green financing (Buallay et al., 2021; Appiah et al., 2022). Investors and regulators increasingly reward transparent environmental behavior with favorable ratings, which may boost profitability (Agyemang et al., 2021; Mgbame et al., 2022). In developing economies like Nigeria, the role of environmental sustainability reporting is particularly critical due to institutional weaknesses and environmental degradation concerns. Several studies have shown that firms engaging in environmental reporting tend to attract more investment and perform better financially, particularly when disclosures are externally verified (Odoemelam et al., 2019; Okafor et al., 2021). Thefindings support the view that environmental reporting is not merely a compliance activitybut a performance-enhancing strategy in environmentally sensitive sectors. Thus, the following hypothesis is proposed: H1: Environmental sustainability reporting significantly affects the financial performance of listed oil and gas firms. Social sustainability reporting reflects how firms manage relationships with employees, communities,customers,andothersocietalstakeholders.Socialdisclosureelements, GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 367 including employee welfare, community engagement, diversity, and labor standards, have become increasingly important indicators of corporate responsibility. Studies suggest that robust social disclosures contribute to building stakeholder legitimacy, improving brand reputation, and enhancing financial performance through reduced employee turnover and increased consumer loyalty (Usman & Amran, 2021; Otusanya & Lauwo, 2020). Furthermore, firms demonstrating consistent social commitments often exhibit higher operationalefficiencyandlong-term profitability(Ikpor&Acha, 2023;Okerekeetal., 2021). In Nigeria‘s oil and gas sector, community relations and social license to operate are crucial determinants of operational success. Firms that prioritize community development,education, and health initiatives often experience fewer disruptions and stronger community ties, which ultimately affect financial outcomes (Ogar et al., 2023; Abiodun & Oluwatosin, 2023). Additionally, transparent social reporting enhances investor confidence and may improve access to capital markets, thereby strengthening financial performance (Appiah etal., 2022; Nwobu & Olanipekun, 2020). Based on this evidence, the second hypothesis is articulated as follows: H2: Social sustainability reporting significantly affects the financial performance of listed oil and gas firms. Governance sustainability reporting involves disclosure of board structure, executive compensation, risk management, anti-corruption practices, and shareholder rights. Good governance is foundational to effective ESG implementation and financial accountability. Empirical research has shown that firms with higher governance disclosure quality tend to exhibit superior financial performance due to improved investor trust, strategic alignment,and risk oversight (Michelon et al., 2020; Buallay et al., 2021). Moreover, effective governance reporting is associated with fewer agency conflicts and more sustainable returns (García- Sánchez et al., 2020; Alsaifi et al., 2020). Specifically, in Nigeria, weak governance practices have been linked to value destruction in several oil and gas companies. Consequently, firms with transparent governance disclosures enjoy reputational gains and greater capital market access, leading to improved performance (Okafor et al., 2021; Mgbame et al., 2022). Recent studies also confirm that effective governance enhances the implementation and credibility of environmental and social strategies (Usman & Amran, 2021; Otusanya & Lauwo, 2020). This forms the basis for the third hypothesis: H3: Governance sustainability reporting significantly affects the financial performance of listed oil and gas firms. While sustainability reporting has demonstrated positive financial implications, the strength of its impact may differ based on firm-specific characteristics such as environmental sensitivity. Environmental sensitivity, reflecting a firm‘s exposure to ecological risk and stakeholder pressure, determines how critical ESG disclosures are to legitimacy, reputation, and financial performance. Research shows that firms operating in high-pollution or high- sensitivity sectors derive stronger financial benefits from sustainability disclosures due to heightened scrutiny and risk (Odoemelam et al., 2019; García-Sánchez et al., 2020). This is particularly relevant to oil and gas firms, whose operations attract intense attention from regulators, NGOs, and communities (Michelon et al., 2020; Agyemang et al., 2021). GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 368 Empirical studies byOgaret al. (2023) and Mgbameet al. (2022)confirm that environmental sensitivity intensifies the effect of ESG disclosures on financial outcomes in Africanresource- based sectors. Similarly, Appiah et al. (2022) and Ikpor & Acha (2023) found that firms with high environmental exposure face higher reputational risks, making sustainability disclosures essential for maintaining financial performance. Thus, environmental sensitivity does not just influence the decision to disclose but also alters the financial relevance of such disclosures. Therefore, the final hypothesis is proposed: H4: Firm environmental sensitivity moderates the relationship between sustainability reporting and financial performance. 3.0 Methodology This study employs secondary data obtained from the published annual reports of listed oil and gas firms in Nigeria for the period 2019 to 2023. The Nigerian Exchange Group (NGX) serves as the official source of listing. Using a census approach, all nine (11) listed firmswere initially considered. However, due to incomplete disclosures in two firms, a purposive sample of seven (9) firms with consistent data over the five years was retained. Data were manually extracted and coded using a structured content analysis framework to measure sustainability reporting dimensions - environmental, social, and governance. The study‘s dependent variable is financial performance, proxied by Return on Assets(ROA), which reflects the efficiency of a firm in converting its assets into net income (Khan et al., 2021; Ameer & Othman, 2012). The key independent variables comprise three dimensions of sustainability reporting - environmental, social, and governance disclosures scored using content analysis aligned with the Global Reporting Initiative (GRI) framework (Clarkson et al., 2008; Michelon et al., 2015). The moderating variable, firm environmental sensitivity, is a dummy derived from pollution intensity classifications (Cormier & Magnan, 2007). Control variables include firm size, proxied by the natural logarithm of total assets, and financial leverage, measured as the debt-to-equityratio. Table 1 summarizes all variables and their sources. Apriori,environmentaldisclosuresareexpected tohaveanegativeormixedeffectduetothe cost of environmental compliance (Hassan & Latif, 2023), while social and governance disclosures are likely to exert positive effects due to reputational and operational efficiencies (Adegbite et al., 2020; Omoteso & Yusuf, 2021). Firm size and leverage are expected to negatively affect ROA due to diseconomies of scale and debt servicing burdens, respectively (Dibia & Onwuchekwa, 2020). The study builds on stakeholder and legitimacy theories, which posit that firms disclose sustainability information to secure legitimacy andstakeholder approval (Freeman, 1984; Deegan, 2002). These theoretical constructs are formalized into testable econometric models. Let 𝐹𝑃𝑖,𝑡denote the financial performance of firm𝑖attime𝑡,measuredbyROA.Thesustainabilityreportingdimensionsaredenoted 𝐸𝑁𝑉𝑖,𝑡, 𝑆𝑂𝐶𝑖,𝑡, and 𝐺𝑂𝑉𝑖,𝑡. The moderating variable 𝐹𝐸𝑆𝑖,𝑡interacts with each sustainability component to assess contingent effects. Control variables include firm size 𝐹𝑆𝑍𝑖,𝑡and leverage 𝐿𝐸𝑉𝑖,𝑡. Thebaselinepanelregressionmodelwithoutmoderationisspecifiedas: 𝐹𝑃𝑖,𝑡=𝛽0+𝛽1𝐸𝑁𝑉𝑖,𝑡+𝛽2𝑆𝑂𝐶𝑖,𝑡+𝛽3𝐺𝑂𝑉𝑖,𝑡+𝛽4𝐹𝐸𝑆𝑖,𝑡+𝛽5𝐹𝑆𝑍𝑖,𝑡+𝛽6𝐿𝐸𝑉𝑖,𝑡 +𝜖𝑖,𝑡 (1) Totestformoderation,theinteraction modelisformulated as: GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 369 𝐹𝑃𝑖,𝑡=𝛽0+𝛽1𝐸𝑁𝑉𝑖,𝑡+𝛽2𝑆𝑂𝐶𝑖,𝑡+𝛽3𝐺𝑂𝑉𝑖,𝑡+𝛽4𝐹𝐸𝑆𝑖,𝑡 +𝛽5(𝐸𝑁𝑉𝑖,𝑡×𝐹𝐸𝑆𝑖,𝑡)+𝛽6(𝑆𝑂𝐶𝑖,𝑡×𝐹𝐸𝑆𝑖,𝑡)+𝛽7(𝐺𝑂𝑉𝑖,𝑡×𝐹𝐸𝑆𝑖,𝑡) +𝛽8𝐹𝑆𝑍𝑖,𝑡+𝛽9𝐿𝐸𝑉𝑖,𝑡+𝜖𝑖,𝑡 (2) Where:𝛽0istheintercept,𝛽1to 𝛽9arecoefficients,𝜖𝑖,𝑡istheidiosyncraticerror term. The Generalized Least Squares (GLS) random effects estimator was adopted, which reported a non-significant difference between fixed and random effects models. The GLS random effects approach is appropriate when unobserved firm-specific effects are assumed to be uncorrelated with the explanatory variables, thereby improving efficiency over fixed effects under these conditions (Wooldridge, 2010). In matrix notation, the GLS model is: y=X𝛽+𝜖, 𝜖~𝑁(0,𝜎2I+𝜎2I) (3) 𝜇𝑁 𝜖𝑇 Where:yisthe𝑁𝑇×1vectorofoutcomes,Xisthe𝑁𝑇×𝑘matrixofexplanatory variables, 𝛽isa𝑘×1vector ofparameters,𝜖consists ofindividual andidiosyncraticerrors. Robustness was assessed through multicollinearity diagnostics using Variance Inflation Factors(VIF),whichwereacceptableformostvariablesexceptforsustainabilitydimensions -addressed through separate model specifications. Normality of residuals was evaluated via the Shapiro-Wilk test, and the interaction model in Equation (2) was tested to detect any moderating effects. Additional robustness checks included interaction term models and marginal effect analyses to assess the stability of coefficient estimates. Table1:Variables and Measurement Variables Natureof Variable MeasurementDefinition Sources Financial Performance𝐹𝑃𝑖,𝑡 Dependent ReturnonAssets (ROA) Khanetal.(2021);Ameer & Othman (2012); Olayiwola & Adedeji (2022) Environmental Reporting𝐸𝑁𝑉𝑖,𝑡 Independent (SR Dimension) Content analysis score of environmentaldisclosures in annual reports Clarkson et al. (2008); Uwuigbe & Uadiale (2011);Hassan&Latif (2023) SocialReporting 𝑆𝑂𝐶𝑖,𝑡 Independent (SR Dimension) Contentanalysisscoreof social disclosures in annual reports Michelonetal.(2015); Olayinka & Oluwamayowa(2014); Adegbite et al. (2020) Governance Reporting𝐺𝑂𝑉𝑖,𝑡 Independent (SR Dimension) Content analysis score of governancedisclosuresin annual reports Khan et al. (2021); Adegbite & Nakajima (2011);Omoteso&Yusuf (2021) Firm Environmental Sensitivity𝐹𝐸𝑆𝑖,𝑡 Moderating Variable Dummy (1 = high- sensitivityfirm;0=low); derived from Pollution IndexScore(PIS) Cormier&Magnan (2007); Dibia & Onwuchekwa(2020) FirmSize𝐹𝑆𝑍𝑖,𝑡 Control Variable Naturallogoftotal assets Uwuigbeetal. (2011); Dibia&Onwuchekwa (2020) GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 370 Variables Natureof Variable MeasurementDefinition Sources Leverage𝐿𝐸𝑉𝑖,𝑡 Control Variable Totaldebt/Totalequity (Debt-to-equity ratio) Olayiwola&Adedeji (2022); Cormier & Magnan(2007) Sources:Author (2024) 4.0 ResultsandImplications Results’ Discussion The study analyzed the relationship between sustainability reporting and financial performance, focusing on the moderating role of environmental sensitivity among listed oil and gas firms in Nigeria over the period 2019–2023. As shown in Table 1, the dependent variable, financial performance (𝐹𝑃𝑖,𝑡), is proxied by return on assets (𝑅𝑂𝐴𝑖,𝑡), while the independent variables include the three dimensions of sustainabilityreporting: environmental disclosure (𝐸𝑁𝑉𝑖,𝑡), social disclosure (𝑆𝑂𝐶𝑖,𝑡), and governance disclosure (𝐺𝑂𝑉𝑖,𝑡). Firm environmental sensitivity (𝐹𝐸𝑆𝑖,𝑡) serves as a moderating variable, while firm size (𝐹𝑆𝑍𝑖,𝑡)and leverage (𝐿𝐸𝑉𝑖,𝑡) are control variables. These variables were selected based onconceptual relevance and prior studies (Khan et al., 2021; Olayiwola & Adedeji, 2022; Clarkson et al., 2008). Table 2 presents the descriptive statistics. The mean value of 𝐹𝑃𝑖,𝑡(ROA) is 0.022, with a standard deviation of 0.089, indicating a moderate level of profitability among the firms sampled. The mean values of 𝐸𝑁𝑉𝑖,𝑡, 𝑆𝑂𝐶𝑖,𝑡, and 𝐺𝑂𝑉𝑖,𝑡are 0.290, 0.284, and 0.289 respectively, suggesting that sustainability reporting practices are moderately adopted across the firms. The mean of 𝐹𝐸𝑆𝑖,𝑡is 0.557, implying that over half the sample are classified as environmentallysensitive. 𝐹𝑆𝑍𝑖,𝑡has a mean log value of 10.886, while 𝐿𝐸𝑉𝑖,𝑡has a mean of 0.258, showing modest firm sizes and generally conservative leverage practices. Table 3 combines the Shapiro-Wilk normalitytest and VIF multicollinearity diagnostics. The p-valuesforallvariablesintheShapiro-Wilktestare0.000(exceptfor𝐹𝑆𝑍𝑖,𝑡at0.038and 𝐹𝐸𝑆𝑖,𝑡at 1.000), indicating non-normality. Given the robustness of GLS to normality violations in large panels, this is not a concern. VIF results show that 𝐸𝑁𝑉𝑖,𝑡(VIF =1609.59), 𝑆𝑂𝐶𝑖,𝑡(VIF = 1467.24), and 𝐺𝑂𝑉𝑖,𝑡(VIF = 54.09) exhibit high multicollinearity, necessitating caution in interpreting individual coefficients due to possible variance inflation, though overall model fit remains robust (Olayiwola & Adedeji, 2022; Cormier & Magnan, 2007). In Table 4, the Hausman test statistic of 2.833 (p = 0.830) fails to reject the null hypothesis, suggesting that the random effects model is more appropriate than the fixed effects model. However, given autocorrelation and heteroscedasticity(evident from other diagnostics), GLS estimationisemployedforimprovedefficiency.Table5displaysthebaselinemodelresults. 𝐸𝑁𝑉𝑖,𝑡negatively affects𝐹𝑃𝑖,𝑡(−1.801,p=0.078),while𝑆𝑂𝐶𝑖,𝑡showsapositive relationship (1.860, p = 0.068). Both are marginally significant. 𝐺𝑂𝑉𝑖,𝑡and 𝐹𝐸𝑆𝑖,𝑡are statistically insignificant. 𝐹𝑆𝑍𝑖,𝑡(−0.095, p = 0.040) and 𝐿𝐸𝑉𝑖,𝑡(−0.131, p = 0.000) significantly reduce 𝐹𝑃𝑖,𝑡, aligning with the theory that higher leverage and larger size may constrain performance in capital-intensive sectors like oil and gas (Ameer & Othman, 2012). GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 371 Table 6 provides the moderated model incorporating interaction terms between each sustainability dimension and environmental sensitivity. 𝐸𝑁𝑉𝑖,𝑡maintains a significant negative effect on 𝐹𝑃𝑖,𝑡(−1.906, p = 0.042*), suggesting that environmentally sensitive disclosures might impose compliance costs or reputational risks that outweigh their benefits in the short term. However, the interaction term 𝐸𝑁𝑉𝑖,𝑡 × 𝐹𝐸𝑆𝑖,𝑡is insignificant (−0.270, p = 0.932),suggestingthat𝐹𝐸𝑆𝑖,𝑡doesnotmoderatethe𝐸𝑁𝑉𝑖,𝑡–𝐹𝑃𝑖,𝑡relationshipsignificantly. 𝑆𝑂𝐶𝑖,𝑡is marginally positive (1.819, p = 0.070), but the interaction 𝑆𝑂𝐶𝑖,𝑡 × 𝐹𝐸𝑆𝑖,𝑡is insignificant.𝐹𝑆𝑍𝑖,𝑡and𝐿𝐸𝑉𝑖,𝑡remainsignificant,consistentwithpriorfindings.TheR²of 0.371 indicates moderate explanatory power. The outcomes align with empirical evidence suggesting that while sustainabilitydisclosures improve stakeholder legitimacy, theymaynot directly enhance returns in environmentallyburdened sectors (Michelon et al., 2015; Khan et al., 2021). Table 2: DescriptiveStatistics Variable Mean Std. Dev. Min Max 𝑅𝑂𝐴𝑖,𝑡 0.022 0.089 -0.283 0.147 𝐸𝑁𝑉𝑖,𝑡 0.290 0.252 0.000 0.912 𝑆𝑂𝐶𝑖,𝑡 0.284 0.246 0.000 0.885 𝐺𝑂𝑉𝑖,𝑡 0.289 0.253 0.000 0.917 𝐹𝐸𝑆𝑖,𝑡 0.557 0.500 0.000 1.000 𝐹𝑆𝑍𝑖,𝑡 10.886 0.281 10.234 11.488 𝐿𝐸𝑉𝑖,𝑡 0.258 0.303 0.000 2.302 Sources:Author (2024) Table 3: Normality-andMulticollinearityDiagnostics Normality [Shapiro-Wilk W] Test Multicollinearity [VIF]Test Variable W V z Prob>z VIF 1/VIF 𝑅𝑂𝐴𝑖,𝑡 0.821 11.014 5.217 0.000 – – 𝐸𝑁𝑉𝑖,𝑡 0.898 6.290 3.999 0.000 1609.59 0.001 𝑆𝑂𝐶𝑖,𝑡 0.897 6.338 4.016 0.000 1467.24 0.001 𝐺𝑂𝑉𝑖,𝑡 0.922 4.829 3.424 0.000 54.09 0.018 𝐹𝐸𝑆𝑖,𝑡 0.998 0.097 -5.066 1.000 1.37 0.730 𝐹𝑆𝑍𝑖,𝑡 0.963 2.266 1.779 0.038 1.27 0.789 𝐿𝐸𝑉𝑖,𝑡 0.587 25.418 7.036 0.000 1.25 0.800 Sources:Author (2024) GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 372 Table 4: Hausman(1978)Specification Test Description Value Chi-squareteststatistic 2.833 p-value 0.830 Source:Author‘s(2024) Table 5: BaselinePanelRegression(WithoutInteractionTerms) Variable Coef. Std.Err. t-value p-value [95% Conf. Interval] 𝐸𝑁𝑉𝑖,𝑡 -1.801 1.004 -1.790 0.078 -3.807,0.206 𝑆𝑂𝐶𝑖,𝑡 1.860 1.000 1.860 0.068 -0.138,3.859 𝐺𝑂𝑉𝑖,𝑡 -0.048 0.164 -0.290 0.771 -0.375,0.279 𝐹𝐸𝑆𝑖,𝑡 -0.006 0.016 -0.410 0.685 -0.038,0.025 𝐹𝑆𝑍𝑖,𝑡 -0.095* 0.045 -2.090 0.040 -0.185,-0.004 𝐿𝐸𝑉𝑖,𝑡 -0.131** 0.029 -4.520 0.000 -0.188,-0.073 Constant 1.097* 0.483 2.270 0.027 0.132, 2.063 Statistics 𝑅2 0.366 F(6,35) 7.854 Prob >F 0.000 Source:Author‘s(2024) Table 6: ModeratedPanelRegression(InteractionTerms) Variable Coef. Std.Err. t-value p-value [95% Conf. Interval] 𝐸𝑁𝑉𝑖,𝑡 -1.906* 0.919 -2.080 0.042 -3.744,-0.069 𝑆𝑂𝐶𝑖,𝑡 1.819 0.985 1.850 0.070 -0.152,3.790 𝐺𝑂𝑉𝑖,𝑡 0.087 0.164 0.530 0.598 -0.242,0.416 𝐹𝐸𝑆𝑖,𝑡 -0.014 0.028 -0.510 0.615 -0.070,0.042 𝐸𝑁𝑉𝑖,𝑡×𝐹𝐸𝑆𝑖,𝑡 -0.270 3.153 -0.090 0.932 -6.577,6.038 𝑆𝑂𝐶𝑖,𝑡 ×𝐹𝐸𝑆𝑖,𝑡 0.634 3.170 0.200 0.842 -5.706,6.975 𝐺𝑂𝑉𝑖,𝑡×𝐹𝐸𝑆𝑖,𝑡 -0.324 0.346 -0.930 0.354 -1.016,0.369 𝐹𝑆𝑍𝑖,𝑡 -0.093* 0.046 -2.020 0.048 -0.184,-0.001 𝐿𝐸𝑉𝑖,𝑡 -0.132** 0.030 -4.370 0.000 -0.192,-0.071 Constant 1.082* 0.489 2.210 0.031 0.104, 2.061 Statistics 𝑅2 0.371 F(9,32) 6.289 Prob >F 0.000 Source:Author‘s(2024) GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 373 Hypotheses Evaluation Thecentralhypothesisofthisstudypositsthatsustainabilityreportingdimensions(𝐸𝑁𝑉𝑖,𝑡, 𝑆𝑂𝐶𝑖,𝑡, 𝐺𝑂𝑉𝑖,𝑡) have a significant influence on financial performance (𝐹𝑃𝑖,𝑡), and that firm environmental sensitivity (𝐹𝐸𝑆𝑖,𝑡) moderates these relationships. The baseline model results partiallysupportthishypothesis.Thenegativebutmarginallysignificantcoefficientfor 𝐸𝑁𝑉𝑖,𝑡(−1.801, p = 0.078) suggests that environmental reporting may impose short-term costs on firms, potentially through compliance or capital expenditures, which slightly diminish𝐹𝑃𝑖,𝑡. This aligns with theoretical perspectives that environmental disclosures, while improvingtransparency,canreflectadditionaloperationalburdensincapital-intensivesectors (Cormier & Magnan, 2007; Khan et al., 2021). Conversely, the positive marginal effect of 𝑆𝑂𝐶𝑖,𝑡(1.860, p = 0.068) on 𝐹𝑃𝑖,𝑡supports stakeholder theory, which posits that social disclosures enhance firm reputation, customer loyalty, and ultimately profitability (Michelon et al., 2015; Olayinka & Oluwamayowa,2014). The non-significant effect of 𝐺𝑂𝑉𝑖,𝑡suggests that governance disclosures alone may not directly translate into financial gains for these Nigerian oil and gas firms, possibly due to institutional or regulatory gaps in enforcement (Adegbite & Nakajima, 2011). Regarding the moderating role of 𝐹𝐸𝑆𝑖,𝑡, the interaction terms in the moderation model are statistically insignificant (e.g., 𝐸𝑁𝑉𝑖,𝑡 × 𝐹𝐸𝑆𝑖,𝑡, 𝑆𝑂𝐶𝑖,𝑡 × 𝐹𝐸𝑆𝑖,𝑡), contradicting the hypothesis that environmental sensitivitystrengthens or weakens the effect of sustainabilityreporting on financial performance. This finding indicates that firm-level environmental sensitivity may not materially influence the financial outcomes of sustainability disclosures in the Nigerian oilandgassector,possiblyduetohomogeneityin industrypracticesorlimitedmarketreward for such sensitivity (Dibia & Onwuchekwa, 2020). This contrasts with some international studies where environmental sensitivity moderates corporate disclosure effects positively (Cormier & Magnan, 2007), highlighting contextual nuances in emerging markets. The negative and significant coefficients of 𝐹𝑆𝑍𝑖,𝑡and 𝐿𝐸𝑉𝑖,𝑡across both models underscore the persistent importance of firm-specific controls in financial performance analyses. Larger firm size (𝐹𝑆𝑍𝑖,𝑡) correlates with decreased 𝐹𝑃𝑖,𝑡, possibly due to bureaucratic inefficienciesor capital structure complexities, while higher leverage (𝐿𝐸𝑉𝑖,𝑡) negatively affectsprofitability due to increased financial risk, consistent with the pecking order theory and capital structure literature (Ameer & Othman, 2012; Olayiwola & Adedeji, 2022). Overall, these results reaffirm partial support for the theoretical propositions and empirical precedents in the sustainability-financial performance literature. PolicyImplications Based on the findings of this study, several policy implications emerge that can guide regulators, firms, and stakeholders in enhancing the nexus between sustainability reporting and financial performance within the Nigerian oil and gas sector. First, regulators such as the Nigerian Exchange Group (NGX) and the Securities and Exchange Commission (SEC) should encourage more detailed and standardized environmental disclosures (𝐸𝑁𝑉𝑖,𝑡) that go beyond compliance to foster transparency and reduce short-term costs associated with environmentalsensitivity.Policiespromotinguniformenvironmentalreportingstandards GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 374 would reduce information asymmetry and enhance market confidence (Khan et al., 2021; Michelon et al., 2015). Second, firms should strategically leverage social reporting (𝑆𝑂𝐶𝑖,𝑡) practices as amechanism to build stakeholder trust and customer goodwill, which appears to positively influence financial performance (𝐹𝑃𝑖,𝑡). Management training and capacity building in social responsibility communication may strengthen firms‘ reputational capital, thus attracting investments and enhancing profitability (Olayinka & Oluwamayowa, 2014; Ameer & Othman, 2012). Given the marginal significance, emphasis on social disclosures is prudent. Third, policymakers should enhance corporate governance frameworks to ensure that governance reporting (𝐺𝑂𝑉𝑖,𝑡) translates into tangible financial benefits. Regulatory reforms aimed at improving board diversity, transparency, and accountability could reinforce the link between governance practices and firm performance (Adegbite & Nakajima, 2011). Integrating governance reforms with sustainability initiatives would provide a holistic approach to corporate responsibility. Fourth, recognizing the non-significant moderating role of environmental sensitivity (𝐹𝐸𝑆𝑖,𝑡Sector-wide environmental sensitivity benchmarks and incentives might be developed to encourage firms to internalize environmental risks more proactively. Environmental taxation, carbon credits, or subsidies for green investments could align firm incentives with environmental sustainability, potentially enhancing both environmental and financial outcomes (Cormier & Magnan, 2007; Dibia & Onwuchekwa, 2020). Finally, financial institutions and investors should consider firm size (𝐹𝑆𝑍𝑖,𝑡) and leverage (𝐿𝐸𝑉𝑖,𝑡) as critical factors when assessing investment risks and returns in the oil and gas industry. Policies that promote optimal capital structure and discourage excessive leverage will help improve firm resilience and profitability, supporting sustainable economic development in Nigeria (Olayiwola & Adedeji, 2022; Ameer & Othman, 2012). This willalso contribute to more stable financial markets and improved stakeholder value. 5.0 Conclusion This study critically examined the moderating role of firm environmental sensitivity (𝐹𝐸𝑆𝑖,𝑡) on the relationship between sustainability reporting dimensions - environmental (𝐸𝑁𝑉𝑖,𝑡), social (𝑆𝑂𝐶𝑖,𝑡), and governance (𝐺𝑂𝑉𝑖,𝑡) - and financial performance (𝐹𝑃𝑖,𝑡) of listed oil and gas firms in Nigeria over the period 2019 to 2023. The empirical evidence underscores a nuanced relationship where social sustainability disclosures positively influence financial performance, while environmental disclosures show a marginal negative effect, likely reflecting compliance costs in a capital-intensive industry. Governance disclosures, however, demonstrated an insignificant direct impact, possibly due to institutional and regulatory challenges inherent in emerging markets such as Nigeria. Furthermore, the hypothesized moderating effect of 𝐹𝐸𝑆𝑖,𝑡on sustainability reporting and financial performance was not supported, suggesting that firm-specific environmental sensitivity may not yet significantly shape financial outcomes within this sector. These findings contribute to the growing but context-specific literature on sustainability-financial performance linkages, emphasizing the complexity and sectoral variations in emerging economies (Khan et al., 2021; Olayiwola & Adedeji, 2022). GusauJournalofAccountingandFinance,Vol.5,Issue1,April,2024 375 Despite the robustness of the panel data analysis and the application of Generalized Least Squares techniques, this study has several limitations. First, the relatively small sample sizeof seven firms, constrained by data availability, may limit the generalizability of the findings beyond the Nigerian oil and gas industry. Second, the use of secondary data from publicly available sustainability reports may not fully capture qualitative nuances or the depth offirms' sustainability practices, especially in an environment where reporting standards vary widely (Michelon et al., 2015). Third, the study focused on short-term financial performance metrics (𝐹𝑃𝑖,𝑡) such as Return on Assets; future research could explore long-term value creation and market-based performance indicators to provide a more comprehensive understanding (Ameer & Othman, 2012). Additionally, the non-significant moderating effect of 𝐹𝐸𝑆𝑖,𝑡invites further inquiry into alternative moderating or mediating variables, such as institutional quality, regulatory enforcement, or corporate culture, which may better explain sustainability-financial performance dynamics in emerging markets. In light of these findings and limitations, several recommendations emerge for policymakers, corporate managers, and researchers. Regulators should prioritize the establishment and enforcement of standardized sustainability reporting frameworks tailored to the oil and gas sector's unique environmental challenges, thereby reducing reporting heterogeneity and enhancing comparability (Khan et al., 2021). Firms should strategically invest in social sustainability initiatives, given their positive association with financial outcomes, while managingenvironmentalcompliancecoststhroughinnovationandefficiencygains(Olayinka & Oluwamayowa, 2014). Furthermore, there is a need to deepen corporate governance reforms that strengthen transparency and accountability to unlock the full financial benefitsof governance disclosures (Adegbite & Nakajima, 2011). For future research, expanding the sample to include oil and gas firms across multiple emerging economies could offer valuable comparative insights and improve the external validity of results. Employing mixed-method approaches that integrate qualitative casestudies with quantitative analysis may also enrich the understanding of sustainability reporting practices and their financial implications. Moreover, examining the interplay between environmental sensitivity and other firm-level factors such as innovation capacity, stakeholder engagement, and supply chain integration could illuminate complex moderating mechanisms (Dibia & Onwuchekwa, 2020). Finally, longitudinal studies that assess the evolving impact of sustainability disclosures amid tightening environmental regulations and shifting stakeholder expectations would contribute to a dynamic understanding of these relationships. 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