Even China has mounting problems with the rate of influx from the rural areas into its cities. Your idea to make rural areas attractive so that the people there are able to get good jobs is a good one.
China controls migration through hukuo permits.
A hukou is a record in the system of household registration required by law in the PRC.
The hukou system, which dates to 1958, has split China's 1.3 billion people along urban-rural lines, preventing many of the roughly 800 million Chinese who are registered as rural residents from settling in cities and enjoying basic urban welfare and services.
China eyes residence permits to replace divisive hukou system | Reuters