“…However, critics argue that the continued practice of “tying” bilateral aid, often in the form of restrictions requiring aid funds be used to purchase goods from the donor country, can reduce the value of aid to recipients (Clay et al., ; OECD, ). Others note that the strategic or geopolitical orientation of aid delivered through bilateral channels (Barder, ; Berthélemy, ; Clay et al., ; Chung et al., ; Fleck and Kilby, ; Rodrik, ) and greater fragmentation of bilateral aid (Acharya et al., ; Addison et al., ; Barder, ; Houerou, ; OECD, ) might also decrease cost‐effectiveness. That said, several authors contend that direct accountability to donors (Barder, ), combined with bilateral donors’ institutional compatibility with recipient countries where they have long‐standing historical relationships (Cassen, ), and the greater volumes of aid disbursed by bilateral donors (Kharas, ; OECD, ) all serve to increase bilateral aid cost‐effectiveness relative to multilateral aid.…”