2604.00522 Temporal Gradient Boosting for Non-Circular EGDI Explanation: Identifying Digital Governance Outperformers with Studentized Residual Tests
We explain UN E-Government Development Index (EGDI) scores using four indicators with zero EGDI sub-component overlap: log GDP per capita, corruption perceptions, urbanization, and government expenditure. Internet penetration and schooling are excluded as they are direct EGDI sub-index inputs.