在此基础上，经过量化处理，建立了城市流动人口与城市化最低经济门槛作用机制的简单模型。
Depend on this foundation, author established a simple model of the mechanism of hobo of city and the lowest economy threshold of urbanization.
小公司低于监管门槛且不常附属于正式经济。
Small firms fall below the regulatory thresholds and are less often attached to the formal economy.
相反，政策决策者们将抬高借贷门槛，竭尽全力防止经济泡沫产生。
Instead, policymakers will try to contain the bubble by tightening lending standards.
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