经济学家史蒂文·莱维特(Steven Levitt)和社会学家素德赫·文卡特斯赫(Sudhir Venkatesh)最近对芝加哥的街头应招服务进行了分析，他们发现，该行业分布非常集中，若非如此，需求方与供给方可能会找不到对方。
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帮派内的工资结构竟出奇的平衡，远胜于学者史蒂文•利维特和素德赫•文卡特斯赫2000年所分析过的美国帮派。
The wage structure within the factions appears to be surprisingly flat, far more so than in the American gang analysed in 2000 by two academics, Steven Levitt and Sudhir Venkatesh.
财务信息显示科赫家族的基金会向乔治·梅森捐赠了三千多万美元，这笔款项中绝大多数流向了非盈利组织莫卡特斯中心。
Financial records show that the Koch family foundations have contributed more than thirty million dollars to George Mason, much of which has gone to the Mercatus Center, a nonprofit organization.
科赫兄弟在建立了卡托研究所和莫卡特斯中心之后，也意识到了单靠智囊团并不足以成事。
The Koch brothers, after helping to create Cato and Mercatus, concluded that think tanks alone were not enough to effect change.
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