This study examines the implementation of Performance-Based Budgeting (PBB) in enhancing public sector performance accountability through a Systematic Literature Review (SLR). Using the PRISMA framework, this study systematically analyzes 31 peer-reviewed articles from national and international journals. The findings show that PBB contributes positively to performance accountability, particularly when supported by high-quality performance indicators, strong institutional commitment, and effective utilization of performance information. However, the implementation of PBB is often still administrative and symbolic in nature. This study contributes by providing a structured synthesis of empirical findings and highlighting the role of flexible budgeting as an integral component of PBB in the public sector.
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