However, adjustments to the law can help increase the effectivenss of this policy. First, an adjustment could be made to reduce the hardship on rural farming families who have traditionally relied on their sons to help run the farm. Also, there are loopholes to exempt families who can pay fines or fees. And some areas in China have unequal enforcement. Second, a voluntary cultural shift in social practices might not be as effective in quickly reducing the birth rate, but it might be better received and embraced by all.