public-private disparity
Refers to gaps in income, pensions, benefits, or working conditions between public-sector and private-sector employees. Often used in economic and political discussions.
Correcting the public-private disparity has become a policy issue.
The public-private gap in pensions is being criticized.
格差 is a general term for disparity or gap; 官民格差 specifically refers to the gap between public and private sectors.
Compound of 官 (government, public), 民 (people, private), and 格差 (disparity).