Methodological Evaluation and Time-Series Forecasting for Manufacturing Plant Efficiency Gains in Ghana, 2000–2026

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Auteurs principaux: Boateng, Ama Serwaa, Ankrah, Kofi Mensah, Asante, Kwame
Format: Recurso digital
Langue:anglais
Publié: Zenodo 2006
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_version_ 1866901337949601792
author Boateng, Ama Serwaa
Ankrah, Kofi Mensah
Asante, Kwame
author_facet Boateng, Ama Serwaa
Ankrah, Kofi Mensah
Asante, Kwame
contents <p>{ "background": "The manufacturing sector's productivity is a critical determinant of industrial growth and economic development. In many developing economies, systematic evaluation of plant-level efficiency and robust forecasting of gains remain underdeveloped, hindering evidence-based industrial policy formulation.", "purpose and objectives": "This policy analysis aims to methodologically evaluate systems within the manufacturing sector and develop a predictive model to forecast efficiency gains. The objective is to provide a quantitative tool for policymakers to assess the impact of interventions and plan resource allocation.", "methodology": "A time-series forecasting model was developed using panel data from plant-level operational metrics. The core model is an autoregressive integrated moving average (ARIMA) specification: $yt = \\mu + \\phi1 y{t-1} + \\theta1 \\epsilon{t-1} + \\epsilont$, where $y_t$ represents the efficiency index. Model parameters were estimated using maximum likelihood, with robust standard errors to account for heteroskedasticity.", "findings": "The analysis projects a positive but decelerating trend in aggregate manufacturing efficiency, with forecast gains averaging 1.2% per annum over the forecast horizon. A key finding is that the 95% confidence interval for this annual gain is relatively wide (0.7% to 1.8%), indicating significant uncertainty influenced by external macroeconomic factors.", "conclusion": "The methodological framework provides a viable tool for projecting efficiency trends, though forecasts are sensitive to exogenous shocks. This underscores the need for adaptive policy frameworks that can respond to volatile economic conditions.", "recommendations": "Policymakers should integrate such forecasting models into regular industrial performance reviews. Investment should be prioritised towards digital monitoring systems to improve data quality for model inputs, and policies should build in contingency mechanisms for the lower bound of forecast gains.", "key words": "industrial policy, productivity forecasting, time-series analysis, manufacturing systems, operational efficiency", "contribution statement": "This paper provides a novel application of ARIMA modelling to forecast</p>
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language eng
publishDate 2006
publisher Zenodo
record_format zenodo
spellingShingle Methodological Evaluation and Time-Series Forecasting for Manufacturing Plant Efficiency Gains in Ghana, 2000–2026
Boateng, Ama Serwaa
Ankrah, Kofi Mensah
Asante, Kwame
Manufacturing productivity
Industrial policy
Sub-Saharan Africa
Time-series analysis
Plant-level efficiency
Process optimisation
Developing economies
<p>{ "background": "The manufacturing sector's productivity is a critical determinant of industrial growth and economic development. In many developing economies, systematic evaluation of plant-level efficiency and robust forecasting of gains remain underdeveloped, hindering evidence-based industrial policy formulation.", "purpose and objectives": "This policy analysis aims to methodologically evaluate systems within the manufacturing sector and develop a predictive model to forecast efficiency gains. The objective is to provide a quantitative tool for policymakers to assess the impact of interventions and plan resource allocation.", "methodology": "A time-series forecasting model was developed using panel data from plant-level operational metrics. The core model is an autoregressive integrated moving average (ARIMA) specification: $yt = \\mu + \\phi1 y{t-1} + \\theta1 \\epsilon{t-1} + \\epsilont$, where $y_t$ represents the efficiency index. Model parameters were estimated using maximum likelihood, with robust standard errors to account for heteroskedasticity.", "findings": "The analysis projects a positive but decelerating trend in aggregate manufacturing efficiency, with forecast gains averaging 1.2% per annum over the forecast horizon. A key finding is that the 95% confidence interval for this annual gain is relatively wide (0.7% to 1.8%), indicating significant uncertainty influenced by external macroeconomic factors.", "conclusion": "The methodological framework provides a viable tool for projecting efficiency trends, though forecasts are sensitive to exogenous shocks. This underscores the need for adaptive policy frameworks that can respond to volatile economic conditions.", "recommendations": "Policymakers should integrate such forecasting models into regular industrial performance reviews. Investment should be prioritised towards digital monitoring systems to improve data quality for model inputs, and policies should build in contingency mechanisms for the lower bound of forecast gains.", "key words": "industrial policy, productivity forecasting, time-series analysis, manufacturing systems, operational efficiency", "contribution statement": "This paper provides a novel application of ARIMA modelling to forecast</p>
title Methodological Evaluation and Time-Series Forecasting for Manufacturing Plant Efficiency Gains in Ghana, 2000–2026
topic Manufacturing productivity
Industrial policy
Sub-Saharan Africa
Time-series analysis
Plant-level efficiency
Process optimisation
Developing economies
url https://doi.org/10.5281/zenodo.18971045