再请教一道微观经济题：这是哪个LOS？ - 未名空间MITBBS历史存档

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再请教一道微观经济题：这是哪个LOS？

再请教一道微观经济题：这是哪个LOS？# Business - 商学院

j*82008-11-16 08:11

1 楼

我是上次圣诞节回国做近视矫正术术前常规检查查出来的视网膜病变。医生说要先治疗
视网膜上的病变才能进行近视矫正术。所以我就做了手术，手术后两周要复查，但是我
在国内不能多逗留两周了，所以就手术后一周复查的，复查结果是当时愈合还好，但是
回来美国后发现眼前经常出现飞蛾，出现很频繁也很多，咨询了下别人说是可能是飞蛾
症--一种视网膜病变，我想在美国检查一下但是我的保险不cover眼睛，所以我想问有
没有人有这种情况，做这种检查在美国没有保险的话要花多少刀？我是学生没有什么钱
。只是想检查一下，如果有问题我还是想回国做手术。谢谢了。

m*92008-11-16 08:11

2 楼

In perfectly competitive constant-cost industries and perfectly competitive
increasing-cost industries, respectively, what is the most likely long-run e
ffect of a permanent increase in demand?
Constant-cost industry Increasing-cost industry
a.Price decreases Price decreases
b.Price decreases Price remains unchanged
c.Price remains unchanged Price increases
d.Price remains unchanged Price remains unchanged
这是哪个LOS？perfectly competitive increasing-

o*32008-11-16 08:11

3 楼

in US the eye doctors usually have at least 10-12 yeard of training and
residency before they can practice. in china, only 5 years of trining. i am
not saying that it is not good back in china; but it is more convincing to
have surgery in US in terms of both surgeon experience and equipments.
back to floaters, routine eye check by a specialist only cost you about 200
USD, it might sound expensive to someone, but think about it this way, you
have only 1 pair of eyes and since you are a student, a

w*g2008-11-16 08:11

4 楼

C.
Market price defined as interaction of Supply and Demand. Supply identical
to MC.
Correct me if I am wrong.

a*e2008-11-16 08:11

5 楼

你可以医疗保险，medical insurance。我做过一次全面眼科检查.comprehensive eye
health exam initial90刀，包括主觉眼光、调节功能和隐斜视检查、遮盖试验、眼表
面和眼底检查。视网膜照相100刀。视神经照相和分析130。这个价格你可以参考。

m*92008-11-16 08:11

6 楼

you are right. But I never saw this kind of market: perfectly competitive co
nstant-cost industries and perfectly competitive increasing-cost industries,
LOS上有吗？

【在 w******g 的大作中提到】