男女双方为什么愿意选择未婚同居?从经济学的角度对比婚姻和未婚同居的成本收益,未婚同居是理性的选择,是对现代社会经济状况变化的反应。它将会成为一种新的两性关系形式并与婚姻关系并行不悖越来越普遍存在。法律同样应该给子未婚同居以理性的、清醒的认识和认可,不管它是双方最终的选择还是只是婚姻的前奏。 Why men and women are willing to choose unmarried cohabitation? From an economic point of view of marriage and unmarried cohabitation costs and benefits, unmarried cohabitation is a rational choice, is a response to changes in the economic conditions of modern society. It will become a new form of relationship between the two sexes and become more and more common with the marriage. The law should likewise give rational, sober recognition and recognition to cohabitation between children and children, whether it be the ultimate choice of both parties or a prelude to marriage.