Field trial analyzes adoption rates of maintenance protocols in depots, highlighting operational improvements.
Transport maintenance depots (TMDs) play a critical role in ensuring the reliability and efficiency of transport systems in Ethiopia. A stratified random sampling approach was employed to select depots for the study. Data were collected using structured surveys and observational checks over six months. The analysis revealed that approximately 75% of randomly selected TMDs adopted new maintenance protocols, with significant improvements in vehicle readiness rates (80-90%). This randomized field trial provides insights into the potential for increasing adoption and operational efficiency of TMD systems. Further research should explore long-term sustainability and scalability of these practices across different regions of Ethiopia. The maintenance outcome was modelled as Yᵢₜ=β₀+β₁Xᵢₜ+uᵢ+εᵢₜ, with robustness checked using heteroskedasticity-consistent errors.
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Mulugeta Tsegaye (2003) studied this question.
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