AP经济知识点分享 要赶紧习惯英文版的题目

国际课程的考试往往都是英文，因此同学们在平日复习时一定要习惯英文版的知识点，下面我们就来给大家分享一些英文版的AP经济知识点。

AP经济知识点

Cost curve

Economic cost= accounting cost+ opportunity cost= implicit cost+ explicit cost. 

TC’=MC=VC’   =VC=TC-FC 

Diminishing marginal return: hold other input constant, too much of one resource will reduce marginal return as it is inefficient. 

MC intersects ATC and AVC at their lowest point. 

There is no fixed cost in the long run ▪Short run and long run ATC: The short run ATC curve is upward sloping because increase a single resource while hold the others constant will cause inefficiency. Thus the cost of producing another product is higher than average and cause the ATC to go up. 

However, due to definition, nothing is constant in the long run. A firm will no longer put all input into one resource while holding the others constant. Instead, the reason for long run ATC curve to slope upward is diseconomies of scale. When a company is way too big, it is hard to get everything under control and people in this firm will have different incentives which add to the difficult of keeping the organization work. 

The efficiency in this case will decrease dramatically and will cause much higher to produce another unit.

In the first few units, additional resources enable producers to specialize and increase the efficiency. Consequently, output increases and cause AVC to fall. Even when AVC stops falling and begins to act in opposite way, the ATC may still decrease and additional output cause AFC to decrease. 

It is only when AVC increases greater than AFC decreases than ATC begin to slope upward. In the long run, when input increases, people are enabled to specialize and this will increase the efficiency and cause the output to rise faster than input. Also, when number of consumer increases, the cost of some equipment that can be used by many can be divided by a larger number. Thus the cost for producing each good lowers.

同学们在平时要把刷选择题当作查缺补漏的手段，出现错题要及时回顾相关知识点，及时总结，避免再犯；另外，在练习过程中，一定要找好自己做题的节奏，在规定时间内完成所有题目。大题方面，同学们一定要按答题点答题，认真审题，标好答题序号。

AP经济有1个特点，就是不管这道题的难度多大，学员能拿到的分都是一样的。这就告诉我们，如果目标5分的话（AP满分为5分），每个知识点都要复习到。如果你今年有很多门AP要考，担心复习来不及，也可以点击预约试听【橡沐AP复习冲刺班】——

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