Effective public budgeting patterns for inclusive growth: Evidence from government spending in Sumatra Island, Indonesia

Indonesia's persistent economic underperformance and pronounced socioeconomic inequality are issues that require your expertise. This investigation rigorously evaluates the mechanism by which reallocating, optimizing, and prioritizing public-sector financing can materially accelerate inclusive economic growth, elevate the aggregate quality of life, and mitigate differential growth on Sumatra Island. Your role in implementing the research findings is crucial. Utilizing the mathematical rigor of Data Envelopment Analysis and the predictive power of machine learning, the research systematically benchmarks budgetary efficiencies and success frontiers for the sectors of primary policy salience—namely, education, public health, and multi-modal infrastructure—across the plurality of municipal and regency jurisdictions. The empirical outcomes persuasively indicate that judicious, evidence-based investment in the identified sectors underwrites trajectories of sustainable development and enhanced welfare. The laboratory-derived policy inferences provide concrete, empirically grounded stewardship blueprints, furnishing budgetary officials with operational guidance for calibrating, sequencing, and justifying fiscal interventions, thereby institutionalizing narrow-variable, regionally calibrated strategies capable of yielding durable reductions in both the relative and absolute dimensions of Indonesian regional equity.