▁the ▁U . S .- based ▁Don ors ▁Trust ▁and ▁Don ors ▁Capital ▁Fund , ▁don or - ad vised ▁funds ▁which ▁support ▁right - wing ▁libert arian ▁causes . ▁ ▁Think ▁tank ▁Trans par ify , ▁which ▁is ▁fund ed ▁by ▁the ▁Open ▁Society ▁Found ations , ▁ranked ▁the ▁IE A ▁as ▁one ▁of ▁the ▁three ▁least ▁transparent ▁think ▁t anks ▁in ▁the ▁UK ▁in ▁relation ▁to ▁fund ing . ▁The ▁IE A ▁respond ed ▁by ▁saying ▁"... It ▁is ▁a ▁matter ▁for ▁individual ▁don ors ▁whether ▁they ▁wish ▁their ▁don ation ▁to ▁be ▁public ▁or ▁private ▁– ▁we ▁leave ▁that ▁entirely ▁to ▁their ▁dis cret ion .", ▁and ▁that ▁it ▁has ▁not ▁"... ear mark ed ▁money ▁for ▁commission ed ▁research ▁work ▁from ▁any ▁company ". ▁ ▁Fund ing ▁to ▁the ▁IE A ▁from ▁the ▁alco hol ▁industry , ▁food ▁industry , ▁and ▁sugar ▁industry ▁has ▁also ▁been ▁documented . ▁IE A ▁Research ▁Fellow ▁Christopher ▁Snow don ▁dis closed ▁alco hol ▁industry ▁fund ing ▁in ▁a ▁response ▁to ▁a ▁British ▁Medical ▁Journal ▁article ▁in ▁ 2 0 1 4 . ▁ ▁In ▁October ▁ 2 0 1 8 , ▁an ▁investigation ▁by ▁Green pe ace ▁found ▁that ▁the ▁IE A ▁was ▁receiving ▁fund ing ▁from ▁the ▁oil ▁giant ▁B P , ▁which ▁was ▁"[ using ] ▁this ▁access ▁to ▁press ▁minister s ▁on ▁issues ▁r anging ▁from ▁environmental ▁and ▁safety ▁standards ▁to ▁British ▁tax ▁rates ." ▁In ▁May ▁ 2 0 1 9 , ▁the ▁British ▁Medical ▁Journal ▁revealed ▁that ▁B