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dc.contributorFaculty of Businessen_US
dc.contributor.advisorWu, Qiang (AF)en_US
dc.creatorJiang, Xingxin-
dc.identifier.urihttps://theses.lib.polyu.edu.hk/handle/200/14568-
dc.languageEnglishen_US
dc.publisherHong Kong Polytechnic Universityen_US
dc.rightsAll rights reserveden_US
dc.titleGender dynamics in corporate leadership : impact of CEO-CFO gender combinations on ESG performanceen_US
dcterms.abstractThis thesis examines the effect of gender balance within CEO–CFO dyads on firms' environmental, social, and governance (ESG) performance, with a supplementary analysis on firms' financial profitability. Based on an integrative framework combining gender role theory, dominance complementarity theory (DCT), and agency theory, this research goes beyond board-level analysis to study changes in actual behavioural processes in the executive suite. An empirical analysis using 16,809 firm-years from a sample of U.S. public firms (2010–2022) yields four key results.en_US
dcterms.abstractFirst, supporting Hypothesis 1, diversity and inclusive leadership contribute to ESG performance. Companies that promote gender diversity and female CEO–CFO dyads always outperform all-male teams. The results confirm two theories: mixed CEO–CFO dyads generate considerable improvements, proving the value of cognitive diversity in overcoming all-male groupthink (dominance complementarity theory), while female dyads receive the highest sustainability premiums, indicating the additive value of collective values (gender role theory).en_US
dcterms.abstractSecond, decision-making quality, measured using behavioural proxies, mediates the relationship (Hypothesis 2). The results show that female CFOs contribute to ESG improvement by increasing financial slack (greater FCF) and operational discipline (less REM). Additionally, female CEOs improve sustainability performance by improving investment efficiency and reducing managerial empire-building. This reduction in opportunistic behaviour and empire-building empirically and directly support agency theory, showing that mixed and female CEO–CFO dyads are effective internal monitors for enhancing decision-making quality, thereby improving ESG performance.en_US
dcterms.abstractThird, the analysis shows the important boundary conditions of executive power relations (Hypothesis 3). In ESG matters, power asymmetry (a large CEO–CFO pay gap) is a suppressor that negates the positive effect of mixed dyads by reducing collaborative consensus in an area with weaker regulatory requirements.en_US
dcterms.abstractFourth, with the supplementary test, which validates the business case for diversity and inclusion, the findings corroborate that mixed and female executive dyads generate better current and future financial profitability (ROA and ROA(t+1)).en_US
dcterms.abstractBeyond those results, my analysis reveals a counterintuitive finding and addresses the theoretical paradox underlying the pay gap. Although the hierarchy (large pay gap) prevents the effects of diversity on ESG performance due to limited collaborative consensus in an area with weaker regulatory authority, it increases the economic benefits of mixed and female executive dyads. This highlights a functional duality: in high-power settings, female executives use binding financial regulatory frameworks to move from a role of collaborator to that of governance watchdog. They exercise the strict discipline necessary to preserve shareholder value by using these rigorous constraints to restrain managerial extravagance and empire-building, which confirms the logic of agency theory that diverse and inclusive leadership is an effective internal control and monitoring system.en_US
dcterms.extentvi, 101 pages : illustrationsen_US
dcterms.isPartOfPolyU Electronic Thesesen_US
dcterms.issued2026en_US
dcterms.educationalLevelD.B.A.en_US
dcterms.educationalLevelAll Doctorateen_US
dcterms.LCSHDiversity in the workplaceen_US
dcterms.LCSHExecutives -- Sex differencesen_US
dcterms.LCSHSocial responsibility of businessen_US
dcterms.LCSHHong Kong Polytechnic University -- Dissertationsen_US
dcterms.accessRightsrestricted accessen_US

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Please use this identifier to cite or link to this item: https://theses.lib.polyu.edu.hk/handle/200/14568