动物繁育子代的成本收益分析

Analyses of the Cost-revenue of Breeding Filial Generation in Animals

动物繁育子代的行为与经济学中的理性人行为一样 ,进行成本收益的计算。在对成本和收益进行比较后 ,动物形成三种繁殖方式 ,即直接繁育、间接繁育和坐享其成。同性恋行为的经济基础就是坐享其成取得遗传收益的特殊情况。

The behavior of animal breeding filial generation was analysed according to the cost-revenue law. The result shows that the animals have three breeding ways,i.e.direct breeding,indirect breeding and costless breeding.The homosexuality getting genetic revenue is a special case of the costless breeding.The bearing behavior of human being also follows the cost-revenue law.