美国马里兰大学经济学教授莫里奇说，公共部门就业机会的减少指明了经济恢复的所有问题。
University of Maryland economics professor Peter Morici says jobs losses in the public sector indicate an overall problem with the recovery.
目前世界上主流的各种房地产税收理论依据主要分为二大类，即公共经济学观点和房地产经济学观点。
Now in the world the main current real estate tax theories are divided into two major types, namely the public economics standpoint and the real estate economics standpoint.
按照公共经济学的经济外部性理论，网络媒体的外部性问题分为正外部性和负外部性两个方面。
According to the economic externality theory in public economy, the economic externality in network media falls into two sides: positive externality and negative externality.
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