アメリカでも、１９８０年代ごろから二極化がはじまり、最近急速にすすんでいます。
The growth of these low-wage jobs began in the 1980s, accelerated in the 1990s and began to really take off in the 2000s. ・・・・
The recession appears to have magnified that trend． ・・・・
From 2007 to 2009 there was relatively little net change in total employment for both high-skill and low-skill occupations, while employment plummeted in so-called middle-skill occupations.
ニューヨークタイムズの記事からです。
The growth of these low-wage jobs began in the 1980s, accelerated in the 1990s and began to really take off in the 2000s. ・・・・
The recession appears to have magnified that trend． ・・・・
From 2007 to 2009 there was relatively little net change in total employment for both high-skill and low-skill occupations, while employment plummeted in so-called middle-skill occupations.
ニューヨークタイムズの記事からです。