While there is evidence direct cash payments are typically the most effective and efficient form of support, it will likely work equally well as similar attempts to nudge behaviors in SK.

https://www.npr.org/2023/03/19/1163341684/south-korea-fertil...

> South Korea has invested heavily to stem what is now a seven-year decline in the national fertility rate, but it hasn't made much difference. President Yoon Suk Yeol said in September that the government has poured more than $200 billion into programs to support new mothers in the past 16 years alone, only to watch the fertility rate drop more than 25% in that time span.

Cash handouts don’t fix some societal problems.