Male preference in south korea " is over , " says monica das gupta , a demographer and asia expert at the world bank .
韩国的重男轻女“已经结束,”人口学家、世界银行亚洲专家莫尼卡达斯古普塔说。
Its " complexity has come to resemble that of the u. s. tax code , " said wang feng , a sociologist and demographer , who wrote about the one-child policy for the east-west center .
Joel kotkin , a los angeles-based demographer and author , thinks that places like portland , san francisco and boston have become " elite cities " , attractive to the young and single , especially those with trust funds , but beyond the reach of middle-class families who want a house with a lawn .
Because requests to the central government are seldom aired in public , some people suspect mr zhang of opportunism . " He smelled the air and is making a move , " says one demographer .
William frey , a demographer at the brookings institution , a washington , dc , think-tank , believes that arizona may be a bellwether for the whole country in more ways than one .
Economic success , argues alaka basu , a demographer , " seems to spread son preference to places that were once more neutral about the sex composition of their children . "
" We 're underestimating in potentially very significant ways the magnitude of impact , " said katherine curtis , a sociologist and demographer at the university of wisconsin , madison . " We 're missing millions of people . "
America 's suburbs are becoming much more diverse places , with more ethnic minorities , more people with degrees and more gays , according to gary gates , a demographer at the university of california , los angeles .