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【多选题】
关于生产函数Q=f(L,K)的生产的第二阶段,应该:( )。
A.
开始于AP L 开始递减处(即AP L 的最高点),终止于MP L 为零处;
B.
开始于AP L 曲线和MP L 的相交处,终止于MP L 曲线和水平轴的相交处;
C.
开始于AP L 开始递增处,终止于MP L 递减处;
D.
开始于AP L 开始递减处(即AP L 的最高点),终止于AP L 开始递增处。
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