To possess efficiency in which i design parallel change in the brand new sex ratio at birth and you will virility, come across appendix Desk A3 Liberty within the ages difference in partners are a mechanism having cleaning the marriage markets when sex rates are larger than regular (Ni Bhrolchain 2001) Source: Asia 2000 Census… متابعة قراءة To possess efficiency in which i design parallel change in the brand new sex ratio at birth and you will virility, come across appendix Desk A3