Industrial machinery fleets in Tanzania are a critical component of the country's manufacturing sector, contributing to productivity and economic growth. This study employs panel-data regression analysis using time-series data from industrial machinery fleets across Tanzania. The model includes fixed effects to account for unobserved heterogeneity. Panel data estimation revealed a significant positive relationship between maintenance investments and yield improvement, with an estimated coefficient of 0. 85 (95% CI: 0. 62, 1. 07) indicating substantial gains from targeted maintenance strategies. The methodological evaluation supports the use of panel-data regression for assessing yield improvement in industrial machinery fleets systems, offering a robust framework for policy and practice improvements. Future research should consider expanding the dataset to include additional variables such as workforce training and environmental factors. Policy makers could leverage these insights to enhance fleet management strategies.
Kinyanjui et al. (Sat,) studied this question.
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