对寡头垄断市场中进入的煤炭企业数目配置的管制提出一种新的思路。
Oligopoly of the market in the coal enterprises to enter the number of configuration control of a new train of thought.
在我国，国际旅游业务市场存在着进入管制，从而使得这个市场出现了超额利润，即经济租。
There are some strict limitations on the access to international tourism operation, which makes possible the acquirement of monopoly profits for the licensed operator, namely rent.
在我国，国际旅游业务市场存在着进入管制，从而使得这个市场出现了超额利润，即经济租。
There are some strict limitations on the access to international tourism operation, which makes possible the acquirement of monopoly profits for the licensed operator, namely rent.
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