Jurnal Ilmiah Akuntansi Kesatuan
Vol. 14 No. 2 (2026): JIAKES Edisi April 2026

Fraud Diamond Determinants and Fraudulent Behavior in Local Tax Administration: Examining the Mediating Role of Integrity in Indonesia

Dien Noviany Rahmatika (Universitas Pancasakti Tegal)
Abdulloh Mubarok (Universitas Pancasakti Tegal)
Juli Riyanto Tri Wijaya (Universitas Pancasakti Tegal)
Fahmi Firmansyah (Universitas Pancasakti Tegal)



Article Info

Publish Date
25 May 2026

Abstract

This study examines how behavioral and institutional factors shape tax fraud in Indonesia’s decentralized tax administration, with specific attention to land and building tax collection in 35 cities/regencies of Central Java. Drawing on Fraud Diamond Theory, it analyzes the effects of pressure, opportunity, rationalization, and capability on fraudulent tax behavior and assesses whether integrity mediates these relationships. A quantitative explanatory design was applied using survey data from 175 local government employees and analyzed through Structural Equation Modeling. The measurement and structural models were evaluated through outer loadings, composite reliability, average variance extracted, R², and path coefficients. The results show that all Fraud Diamond dimensions significantly influence perceived fraudulent-behavior risk, with pressure and capability emerging as the strongest predictors. Integrity complementarily mediates the effects of pressure and capability but does not mediate the effects of opportunity and rationalization. The discussion highlights that local tax fraud is not merely a moral problem but is also shaped by workload pressure, institutional loopholes, and individual capacity to exploit weaknesses. The study finds that effective fraud prevention requires stronger internal control, digital supervision, reduced work pressure, ethics-based leadership, and sustained integrity development.   Keywords: Fraud Diamond Theory, Integrity, Tax Fraud, Local Governance, Public Finance

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Journal Info

Abbrev

jiakes

Publisher

Subject

Economics, Econometrics & Finance

Description

Jurnal Ilmiah Akuntansi Kesatuan (JIAKES) dikelola dan diterbitkan oleh Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) Institut Bisnis dan Informatika Kesatuan bekerjasama dengan Fakultas Bisnis dan Fakultas Vokasional IBI ...