I was reading an article in the journal, Feminist Economics (I haven't delved into this journal before but I'm looking forward to checking it out) and came across this interesting tidbit I wasn't aware of before:

Lee’s (2012) study of international marriages between foreign-born women and Korean men illustrates the difficulties that some men in rural communities face in forming families, a phenomenon now also involving urban men. The problem has prompted the Korean government to encourage international marriages through subsidies and other policies that facilitate the immigration of foreign-born women (in Benería, Deere, & Kabeer, 2012: 8).