高房價是最好的避孕藥

https://www.youtube.com/watch?v=QfG_FvbcXKc

http://blog.sina.com.cn/s/blog_5ef1fe090102xx2j.html?tj=1

Birth Rates Dropped Most in Counties Where Home Values Grew Most

https://www.zillow.com/research/birth-rates-home-values-20165/