十一月机经已经都放出来了，相信大家看了之后不难发现很多机经都不过是酒药换新汤罢了，所以大家要把握好这个规律。今天我们就来分享一下GMAT十一月作文机经，希望对大家备考GMAT考试有所帮助。

　　【原始】说一个学校里宿舍的occupancy rate下降了，然后rent revenue也下降了。于是有个人就建议说officials应该减少housing available并且降低价格防止学生去学校外面住。

　　【原题】The following appeared in the editorial section of a campus newspaper.

　　“Because occupancy rates for campus housing fell during the last academic year, so did housing revenues. To solve the problem, campus housing officials should reduce the number of available housing units, thereby increasing the occupancy rates. Also, to keep students from choosing to live off-campus, housing officials should lower the rents, thereby increasing demand.”

　　【参考思路】

　　1.忽略它因：单纯地说问题所在是rent，但入住率低可能是因为学生人数减，房子的condition, security, cleaning service，noisy surroundings原因造成

　　2.错误假设：同时减少供给和降低房费可能会抵消入住率提高而带来的收入提高效应而有余

　　3.时地一致：过去不能推广到未来：很可能变化了——比如enrollments of students have sharply increased。所以，很可能减少available的数量可能不是合适的做法。

　　【参考范文】

　　The author of this article argues that, to reverse declining revenues from campus housing rentals, campus housing officials should decrease the number of available housing units and reduce rent prices on the units. The author’s line of reasoning is that fewer available units will limit supply while lower rents will increase demand, thereby improving overall occupancy rates, and that the resulting increase in occupancy rates will, in turn, boost revenues for the campus. This reasoning is unconvincing for several reasons.

　　To begin with, the author assumes that boosting occupancy rates will improve revenues. All other factors remaining unchanged, this would be the case. However, the author proposes reducing both the supply of units and their rental prices. Both of these actions would tend to reduce revenues. The author provides no evidence that the revenue-enhancing fect of a higher occupancy rate will exceed the revenue-decreasing fect of reduced supply and price. Without such evidence, the argument is unconvincing.

　　Secondly, the author assumes that lowering rents will lead to higher revenues by increasing demand. However, it is possible that demand would decrease, depending on the extent of the rent reduction as well as other factors—such as overall enrollment and the supply and relative cost of off-campus housing. Moreover, even if demand increases by lowering rents, revenues will not necessarily increase as a result. Other factors, such as maintenance and other costs of providing campus housing units and the reduced supply of rental units might contribute to a net decrease in revenue.

　　Thirdly, in asserting that lowering rental rates will increase demand, the author assumes that current rental rates are causing low demand. However, low demand for student housing could be a function of other factors. For instance, the student housing units may be old and poorly maintained. Perhaps students find the campus housing rules oppressive, and therore prer to live off-campus; or perhaps enrollments are down generally, affecting campus housing occupancy.

　　In conclusion, the author of this editorial has not argued fectively for a decrease in the number of available campus housing units and a reduction in rental rates for those units. To strengthen the argument, the author must show that a rent reduction will actually increase demand, and that the revenue-enhancing fect of greater demand will outweigh the revenue-reducing fect of a smaller supply and of lower rental rates.

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