<![CDATA[This study aims to analyze the role of halal certification in reducing information asymmetry, shaping consumer behavior, and influencing market structure from the perspective of Islamic economics. The research employs a qualitative methodology based on a conceptual-analytical literature review. Data were gathered from scholarly journal articles, reference books, and relevant prior research, with a literature search conducted via Google Scholar in March 2026. The literature was analyzed using a descriptive-qualitative approach through narrative synthesis to identify the relationships between the informational function of halal certification, consumer decision-making, market competition dynamics, and Islamic economic principles. The findings indicate that halal certification serves as a credible information signal, mitigating information asymmetry and consumer uncertainty. Furthermore, such certification strengthens consumer preferences and trust in halal products, while fostering product differentiation and shaping market competition and barriers to entry. However, the associated costs and compliance requirements may impose a burden on micro and small enterprises.]]>
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