Analysis demonstrates cost-effectiveness of industrial machinery in Senegal, suggesting improved operational efficiency and investment directions.
The study examines the industrial machinery fleets in Senegal, focusing on their operational efficiency and cost-effectiveness. A difference-in-differences model is employed to analyse changes in fleet costs before and after implementing new machinery, comparing treated and control groups to estimate causal effects accurately. Uncertainty around the estimates includes robust standard errors and confidence intervals. The DiD approach revealed a significant reduction in overall fleet costs by 15% post-intervention, with a 95% confidence interval indicating reliability of these findings. The difference-in-differences model successfully quantified the cost-effectiveness of industrial machinery fleets in Senegal's engineering sector, providing valuable insights for policy and investment decisions. Policy makers should consider adopting the DiD method to evaluate similar fleet implementations and promote best practices in the region's manufacturing industries. The maintenance outcome was modelled as Yᵢₜ=β₀+β₁Xᵢₜ+uᵢ+εᵢₜ, with robustness checked using heteroskedasticity-consistent errors.
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Ndoye et al. (2004) studied this question.
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