“…Traditionally, purchases of knowledge‐intensive services have been made by individual managers, using decentralized and relational purchasing practices (Axelsson & Wynstra, ) to hire professionals they know well and trust (David, Sine & Haveman, ). Recently, however, a trend toward increased formalization (e.g., implementing preferred suppliers, frame agreements, standardized purchasing procedures) of these purchases has emerged (Cox et al., ; Pemer et al., ; Sieweke, Birkner & Mohe, ). The background to this trend is the stronger focus in organizations on short‐term shareholder values, transparency, and cost control (Bergh & Gibbons, ).…”