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The integration of Industry 4.0 (I4.0) technologies with Circular Economy (CE) practices offers a promising pathway to improving Sustainable Performance (SP). This study employs a mixed-methods approach combining a systematic literature review (SLR) with an empirical survey of 161 respondents to identify the key factors shaping this integration. The thematic analysis reveals regulatory and policy influences (40 mentions), operational efficiency (27 mentions), cost reduction (26 mentions), and resource efficiency (26 mentions) as the most prominent drivers. Financial constraints emerged as the dominant barrier (80 mentions), followed by resistance to change (48 mentions) and the absence of regulatory frameworks (27 mentions). A systematic comparison between SLR- and survey-derived factors identifies nine previously unreported drivers. These include green financing, sustainability-oriented cultural shifts, ethical and social responsibility, enhanced resource efficiency, stakeholder engagement and change management, leadership commitment, long-term strategic vision, human-capital development, and technological innovation. The analysis also reveals four novel barriers: lack of awareness and knowledge, data-management challenges, integration complexity, and insufficient regulatory frameworks. Participants most frequently recommended workforce training, pilot-based implementation, stakeholder engagement, financial planning, and structured change management as key strategies for mitigating barriers. Based on these empirical insights, the study proposes a data-driven integration framework wherein I4.0 technologies strengthen enabling conditions and mitigate constraining factors, thereby enhancing CE implementation and improving SP outcomes. The findings offer concrete and actionable guidance for organizations seeking to leverage digital technologies to advance circularity and sustainable operational performance.
Alsaoudi et al. (Tue,) studied this question.