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"Purchasing managers can use our findings to critically review their current purchasing approach and practices towards their suppliers. While purchasing portfolios are the number one tool for purchasers to differentiate purchasing approaches because they are easy to use, they also stem from an era where purchasing mainly focused on cost savings. Furthermore, they over-simplify the choices for managers by identifying norm sourcing levers to be used within each of the four quadrants. Our findings suggest that it is important for managers to be aware that each sourcing lever can have different applications for different objectives. Hence, we suggest managers to use the objective of a purchase to determine the suitability of a tactical sourcing levers for a given purchase, and adapt its use accordingly. Simultaneously, these new insights can be useful in the instruction and training of purchasers. Awareness and training of more advanced purchasing tactics beyond cost savings alone may establish a stronger position of the purchaser inits relationships."
"This study investigates how buying firms differentiate their relationship practices based on the objective of a purchase. Although previous research shows that purchasing objectives strongly influence how buyers organize their relationships, it remains unclear how so-called tactical sourcing levers are used to support an objective. We draw on a mixed-method case study design consisting of a scenario-based survey study and semi-structured interviews. Our quantitative findings show that while transactional levers are commonly applied across purchasing objectives, they are not necessarily the most important for the different objectives. In fact, our qualitative findings reveal that sourcing levers are not either transactional or relational, but exist on a continuum where each lever can be used in different ways depending on the objective of the purchase. As such, our study provides a novel view on more traditional purchasing classifications such as the one on purchasing levers. Consequently, our findings suggest that existing purchasing tools need to be revised in line with today's value creation approach of purchasing."
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