▁later . ▁In ▁ 2 0 0 5 ▁Z / Y en ▁was ▁appointed ▁by ▁the ▁Institute ▁of ▁Fund ra ising , ▁with ▁partner ▁Business ▁in ▁the ▁Community , ▁to ▁run ▁the ▁enqu iry ▁line ▁and ▁information ▁centre ▁for ▁the ▁Pay roll ▁G iving ▁Centre ▁programme ▁fund ed ▁by ▁the ▁Home ▁Office . ▁ ▁In ▁ 2 0 0 7 ▁Z / Y en ▁created ▁its ▁Global ▁Fin an cial ▁Cent res ▁Index ▁for ▁the ▁City ▁of ▁London ▁Corporation , ▁sold ▁its ▁invest ment ▁bank ing ▁cost - per - tra de ▁benchmark ing ▁unit ▁to ▁A on , ▁and ▁launched ▁the ▁London ▁Acc ord , ▁which ▁provides ▁an ▁open - source ▁research ▁resource ▁on ▁fin ance ▁and ▁environmental , ▁social ▁and ▁govern ance ▁( ES G ) ▁issues . ▁▁ ▁In ▁ 2 0 0 8 ▁Z / Y en ▁launched ▁the ▁Global ▁Intel lect ual ▁Property ▁Index ▁for ▁the ▁legal ▁firm ▁Taylor ▁W ess ing . ▁Z / Y en ▁founded ▁the ▁Ext Z y ▁game ▁– ▁creating ▁a ▁stock market ▁from ▁the ▁internet ▁through ▁the ▁Long ▁Fin ance ▁initi ative . ▁Research ▁has ▁included ▁carbon ▁b onds , ▁non - mon et ary ▁trade ▁and ▁Conf idence ▁Account ing . ▁ ▁Tow ards ▁the ▁end ▁of ▁ 2 0 1 1 , ▁Z / Y en ▁established ▁a ▁Swiss ▁office ▁in ▁Gene va . ▁Main elli ▁and ▁Harris ▁also ▁launched ▁their ▁third ▁book , ▁The ▁Price ▁of ▁Fish , ▁published ▁by ▁Nicholas ▁Bre ale y ▁Publishing . ▁ ▁In ▁