Single-Use Plastic Restrictions: A Mixed-Methods Policy Review of Structural Compliance and Affordability Barriers

Jesson Paul Padillo; Freety Mae D.  Manyawron; Relyn B.  Gallardo; Brandon N.  Obenza

Authors

Jesson Paul Padillo University of the Immaculate Conception, Davao City, Philippines.
Freety Mae D. Manyawron University of the Immaculate Conception, Davao City, Philippines. https://orcid.org/0009-0006-7071-6663
Relyn B. Gallardo University of the Immaculate Conception, Davao City, Philippines. https://orcid.org/0009-0006-7071-6663
Brandon N. Obenza Mindanao State University - General Santos, General Santos City, and University of the Immaculate Conception, Davao City, Philippines. https://orcid.org/0000-0001-6893-1782

Keywords:

Single-use plastic ban, policy review, waste disposal, eco-friendly behavior, mixed methods research

Abstract

This mixed-methods policy review evaluates the implementation of the Single-Use Plastic (SUP) ban in Maragusan, Davao de Oro, Philippines, using an exploratory sequential design. Grounded in structural functionalism and the Theory of Planned Behavior, the study examines the synergy between institutional mechanisms and individual behavioral intentions. Qualitative findings indicate strong community recognition of the ban’s effectiveness in mitigating floods, reducing environmental hazards, and improving waste management, leading to high pro-environmental compliance. Quantitative analysis supports this, with high mean scores for relevance (4.86), coherence (4.72), and impact (4.58). However, a lower sustainability score (4.07) indicates critical barriers, specifically the affordability and availability of alternative options for low-income vendors. While the policy is locally successful, long-term viability requires enhanced monitoring, targeted community education, and institutional support. These results offer empirical guidance for local plastic reduction strategies and broader waste management policy formulation.

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