▁American ▁Community , ▁each ▁additional ▁ten ▁minutes ▁spent ▁comm uting ▁leads ▁to ▁a ▁ten ▁percent ▁decl ine ▁in ▁all ▁areas ▁of ▁civ ic ▁eng agement . ▁Therefore , ▁local ▁h iring ▁may ▁be ▁one ▁tool ▁municipal ities ▁can ▁use ▁to ▁increase ▁community ▁invol vement . ▁The ▁other ▁positive ▁aspects ▁that ▁comes ▁with ▁local ▁h iring ▁is ▁the ▁fact ▁that ▁the ▁people ▁who ▁shall ▁be ▁h ired ▁have ▁great ▁knowledge ▁of ▁the ▁local ▁culture ▁and ▁are ▁more ▁experienced ▁on ▁the ▁business ▁practices ▁of ▁the ▁local ▁area . ▁this ▁is ▁an ▁imp lication ▁that ▁it ▁will ▁be ▁easy ▁to ▁conduct ▁business ▁locally . ▁ ▁The ▁City ▁and ▁County ▁of ▁San ▁Francisco ▁Board ▁of ▁Super vis ors ▁passed ▁the ▁strong est ▁local ▁h iring ▁ordin ance ▁in ▁the ▁United ▁States ▁on ▁December ▁ 1 4 , ▁ 2 0 1 0 . ▁This ▁legisl ation , ▁spons ored ▁by ▁Super visor ▁John ▁A val os , ▁requires ▁ 2 0 % ▁of ▁construction ▁workers ▁on ▁city ▁projects ▁in ▁ 2 0 1 1 - 1 2 ▁to ▁live ▁locally , ▁rising ▁to ▁ 5 0 % ▁by ▁ 2 0 1 7 . ▁ 5 0 % ▁of ▁app rent ices ▁on ▁these ▁projects ▁must ▁live ▁locally . ▁The ▁ordin ance ▁has ▁per - tra de ▁requirements ▁set ▁at ▁half ▁the ▁overall ▁level ▁( e . g . ▁by ▁ 2 0 1 7 , ▁ 2 5 % ▁of ▁workers ▁in ▁any ▁trade ▁must ▁live ▁locally ). ▁The ▁local ▁h ire ▁requirement ▁replaced ▁a ▁previous