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ABU YUSUF AND THE DEVELOPMENT OF ISLAMIC ECONOMIC THOUGHT Ahmad Syahni; Muhammad Syafi'i Budi Santoso; Zakiyyah Ilma Ahmad; Muhammad Nasiruddin; Dimyati
Jurnal Ilmiah Al-Tsarwah Vol. 9 No. 1 (2026)
Publisher : Institut Agama Islam Negeri (IAIN) Bone

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30863/al-tsarwah.v9i1.12050

Abstract

This study examines the contribution of the classical Islamic economic thought of Abu Yusuf as presented in his monumental work, Kitab al-Kharaj. The primary objective of this study is to explore his concepts of public finance, taxation, and state intervention in market mechanisms to achieve social welfare. This study employs a qualitative approach using library research. The findings indicate that Abu Yusuf’s economic thought is grounded in the principles of justice, governmental accountability, and public welfare. The study reveals that Abu Yusuf pioneered the transition from a fixed tax system (misahah) to a proportional taxation system (muqasamah) based on taxpayers’ actual ability to pay. He also emphasized the state's responsibility to develop public infrastructure and regulate markets to prevent monopolistic practices (ihtikar). In conclusion, Abu Yusuf’s economic thought laid the foundation for a fiscal policy framework oriented toward public welfare, transparent management of the state treasury (Bayt al-Mal), and social justice. These ideas remain highly relevant and applicable to contemporary economic systems.
Peran Informasi Harga Dalam Mempengaruhi Keputusan Konsumen Di Pasar Mikro Muhammad Khoirun Nasirin; Muhammad Syafi'i Budi Santoso; Syafiul Umam; M. Farid Al-Azhar
Islamic Banking and Finance Vol. 6 No. 1 (2026)
Publisher : Faculty of Islamic Economics and Business

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30863/ibf.v6i1.6101

Abstract

This study aims to analyze the role of price information in influencing consumer decisions in micro markets. Price information is a crucial factor for consumers in making purchasing decisions, particularly in traditional markets, which tend to have varying degrees of information transparency. This study employed a descriptive qualitative method with a field study approach. Data were collected through in-depth interviews, observation, and documentation with consumers and micro-business owners. The results indicate that price information plays a significant role in shaping consumer perceptions of a product's value, influencing price comparisons, and determining purchasing decisions. Limited access to price information leads to information asymmetry, which results in suboptimal consumer decisions. Furthermore, direct interaction, such as bargaining, serves as an alternative mechanism for obtaining price information. This study implies that increasing price transparency and information access can promote micro market efficiency and improve consumer welfare.