Examining the mediating role of green purchasing practices in the relationship between environmental knowledge and procurement sustainability

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Date
2023
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KNUST
Abstract
Incorporating green thinking in procurement has been flaunted as a vital area of concern among many business sectors across the globe. This study was conducted to examine the mediating role of green purchasing practice in the relationship between environmental knowledge and procurement sustainability. A cross-sectional survey design was employed to select 90 procurement officers from 45 public sector institutions in Ghana. PSS and PLS-SEM (Smart PLS-3) were used for the analyses and the result discussed. The findings of the study indicate that environmental knowledge has an insignificant positive effect on procurement sustainability. The study however showed that environmental knowledge significantly affects green purchasing practice. Additionally, the result showed that while green purchasing practice directly influences procurement sustainability, it also plays an indirect role in the EK-PS link. The result revealed showed that the relationship between environmental knowledge and procurement sustainability is not a direct relationship but mediated through green purchasing practice. This study, therefore, offers a contemporary view of RBV theory by examining the nexus between EK – PS. The study extends existing knowledge by exploring how green purchasing practice strengthens the direct EK – PS link. Again, this study found that Green Procurement fully mediates the EK – PS link which is also missing in extant literature. Thus, this, therefore, offers empirical support to the validation of the RBV theory as it has not been sufficiently validated in procurement sustainability management literature.
Description
A Thesis submitted to the Department of Supply Chain and Information Systems, School of Business in partial fulfillment of the requirements for the degree of Master of science in procurement and supply chain management
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