并列题名：Impact of employment protection on private enterprises in China Impact of employment protection on private enterprises in China 并列题名：Study on headquarters locations of private enterprises in China 并列题名：Sustainable development of the private enterprises in China 并列题名：Large-scale survey on private enterprises in China Sustainable development of the private enterprises in China 并列题名：Research on growth and institutional innovation of private enterprises in China 并列题名：Research on the system of prison enterprises in China 并列题名：Study of employment relationship in Chinese enterprises Study on headquarters locations of private enterprises in China