Can Wenshaw Policy Affect Migration and Output?

The one child policy in China has had a negative impact on the country's economy. The wanshaw policy did discourage people, particular urban residents, to have more children and hence will have less people in urbanae. Population conto may turn out to be counter productive in the sense of population cometo itself. We say, if you realy want to control population, if asian is not a big concern, then any country want to think about population control,. You should never think about the racial population contl population contro should be applied to everybody in any location - right?