Beef has never been pricier—and meatpackers are suffering
牛肉价格空前高企,肉类加工商却在受苦
牛肉零售价创纪录,为何大型加工商反而亏损?课程沿着干旱、缩群、活牛稀缺、成本转嫁受限和鸡肉替代的链条,拆解一个由生物周期和时间滞后造成的产业悖论,并检验政策是否触及真正的数量约束。
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