经济学行为学派

临界慢化的预警信号被样本长度锁死——不是系统不给信号,是我们没有足够长的眼睛

【锚点】这一篇只钉一个判断:【「临界慢化」作为临界转变的早期预警,其可检测性主要由时间序列长度决定,而不是由系统离临界点有多近决定;在多数真实数据长度下,它更接近叙事工具,而不是预测工具】。 【显式】机制本身很干净。Scheffer 等 2009 年在 Nature 的综述里把这条线讲清楚了:接近鞍结或跨临界分岔时,系统最慢的特征值趋近 0,扰动恢复变慢,于是滑动窗口内的方差和 lag-1…

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