▁less ▁pr icing ▁power ▁than ▁in ▁the ▁ 1 9 6 0 s ; ▁while ▁se ctors ▁with ▁high ▁profit ▁marg ins ▁and ▁average ▁sal aries ▁– ▁like ▁high ▁technology ▁– ▁have ▁relatively ▁few ▁employees . ▁ ▁Some ▁econom ists ▁claim ▁that ▁it ▁is ▁W TO - led ▁global ization ▁and ▁competition ▁from ▁developing ▁countries , ▁especially ▁China , ▁that ▁has ▁resulted ▁in ▁the ▁recent ▁decl ine ▁in ▁labor ' s ▁share ▁of ▁income ▁and ▁increased ▁un emp loyment ▁in ▁the ▁U . S . ▁And ▁the ▁Econom ic ▁Policy ▁Institute ▁and ▁the ▁Center ▁for ▁Econom ic ▁and ▁Policy ▁Research ▁argue ▁that ▁some ▁trade ▁agre ements ▁such ▁as ▁the ▁Trans - P ac ific ▁Part ners hip ▁could ▁result ▁in ▁further ▁job ▁losses ▁and ▁decl ining ▁w ages . ▁ ▁One ▁argument ▁contrary ▁to ▁the ▁global ization / techn ology ▁hypothesis ▁rel ates ▁to ▁variation ▁across ▁countries . ▁Japan , ▁Sweden ▁and ▁France ▁did ▁not ▁experience ▁significant ▁increases ▁in ▁income ▁inequality ▁during ▁the ▁ 1 9 7 9 – 2 0 1 0 ▁period , ▁although ▁the ▁U . S . ▁did . ▁The ▁top ▁ 1 % ▁income ▁group ▁continued ▁to ▁receive ▁less ▁than ▁ 1 0 % ▁of ▁the ▁income ▁share ▁in ▁these ▁countries , ▁while ▁the ▁U . S . ▁share ▁rose ▁from ▁ 1 0 % ▁to ▁over ▁ 2 0 %. ▁Econom ist ▁Em manuel ▁S ae z ▁wrote ▁in ▁ 2 0 1 4 : ▁" D iffer ences ▁across ▁countries ▁rule ▁out ▁technical ▁change / global