This study contributes to the literature by building on past theoretical and empirical studies through close collaboration with manufacturing firms. It also opens a window for further research in this area. Each of the limitations of this study is an opening area of new research in future studies. Therefore, in the following section, the researchers discuss limitations and recommendations for future research.
First, the researchers measured only the operational side of PPR considering the early stages of e‐procurement implementation on the organizations. Further research could extend on measuring the strategic level of PPR and analyze the impact of EPT usage at the strategic level.
Second, it would be interesting to measure individually the impact of each of the different EPTs usage on the different PPR. For instance, are firms using certain EPTs on payment processing and others for supplier contact? This would have made the questionnaire far lengthier and it could have affected response rates; however, designing a research to do this specifically could be more manageable.
Third, the researchers limited the industries to the following SIC classifications: 28 “chemicals and allied products”, 33 “primary metal industries”, 34 “fabricated metal products”, 35 “industrial and commercial machinery and computer equipment”, 36 “electrical equipment and components”, and 37 “transportation equipment”. Therefore, results can only be generalized cautiously to other industries. Future research should include other industries.
Finally, future research can expand the current theoretical model by incorporating constructs from other fields of study. For instance, it would be interesting to include in the research model e‐commerce measures in general, not limiting the items to those specific to e‐procurement.
This study contributes to the literature by building on past theoretical and empirical studies through close collaboration with manufacturing firms. It also opens a window for further research in this area. Each of the limitations of this study is an opening area of new research in future studies. Therefore, in the following section, the researchers discuss limitations and recommendations for future research.
First, the researchers measured only the operational side of PPR considering the early stages of e‐procurement implementation on the organizations. Further research could extend on measuring the strategic level of PPR and analyze the impact of EPT usage at the strategic level.
Second, it would be interesting to measure individually the impact of each of the different EPTs usage on the different PPR. For instance, are firms using certain EPTs on payment processing and others for supplier contact? This would have made the questionnaire far lengthier and it could have affected response rates; however, designing a research to do this specifically could be more manageable.
Third, the researchers limited the industries to the following SIC classifications: 28 “chemicals and allied products”, 33 “primary metal industries”, 34 “fabricated metal products”, 35 “industrial and commercial machinery and computer equipment”, 36 “electrical equipment and components”, and 37 “transportation equipment”. Therefore, results can only be generalized cautiously to other industries. Future research should include other industries.
Finally, future research can expand the current theoretical model by incorporating constructs from other fields of study. For instance, it would be interesting to include in the research model e‐commerce measures in general, not limiting the items to those specific to e‐procurement.
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