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Hoai Thu Nguyen

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Open access Aug 2026

Big Data as an Equalizer: Driving Business Model Innovation Through Serial Mediation Mechanisms

This study investigates the mechanisms through which Big Data Analytic Capability (BDAC) translates into Business Model Innovation (BMI) in the auditing profession, specifically examining serial mediation pathways and the moderating role of Digital Leadership. Drawing on the Dynamic Capabilities View and Open Innovation theory, empirical data collected from 301 managers across auditing firms in Vietnam were analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). The results reveal that BDAC fosters BMI through a complex serial mediation involving Absorptive Capacity (ACAP), Inbound Open Innovation, and Value Co-creation. Furthermore, Digital Leadership significantly amplifies BDAC's impact on organizational learning. Notably, while organizational scale (Big 4 vs. Non-Big 4) influences the final BMI outcome, it does not determine ACAP, indicating that the fundamental ability to assimilate digital knowledge is scale-independent. This research provides a novel contribution by demonstrating that data-driven capabilities act as an "equalizer", allowing smaller firms to compete on "intellectual scale" rather than "organizational scale". Ultimately, it offers a strategic roadmap for professional service firms to successfully transition from traditional assurance to data-driven advisory.

Hoai Thu Nguyen · 0 citations
Review Open access 2026

Supplying ESG Assurance in an Emerging Market: A Theory of Planned Behavior Study

As the global focus shifts toward sustainability, the demand for credible Environmental, Social and Governance (ESG) information has accelerated. In emerging economies like Vietnam, following the national commitment to Net Zero by 2050, the role of independent assurance has become critical for ensuring financial transparency and investor confidence. While existing literature heavily explores the demand for ESG disclosures, research on the "supply side"- specifically the factors driving audit firms to provide these specialized services-remains remarkably scarce. This study addresses this gap by applying the Theory of Planned Behavior (TPB) to investigate the psychological and organizational determinants influencing the willingness of audit professionals to offer ESG assurance services. A quantitative research design was employed, utilizing a structured survey to collect data from 235 audit professionals across various firms in Vietnam. The conceptual model was tested using Structural Equation Modeling (SEM) to evaluate the relationships between the TPB constructs. The empirical findings confirm that a positive Attitude, strong Subjective Norms and high Perceived Behavioral Control all significantly and positively increase an auditor's intention to supply ESG assurance. Notably, Subjective Norms-perceived pressure from clients, industry competitors and regulatory bodies-emerged as the most influential driver in the Vietnamese context. Furthermore, the results indicate that behavioral intention is a robust predictor of the actual provision of these services. This research offers critical insights for audit firms in building internal capacity and for policymakers seeking to cultivate a reliable sustainable finance ecosystem in emerging markets.

Hoai Thu Nguyen · 0 citations

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