labor efficiency
Refers to the productivity or efficiency of workers, often used in business, economics, or management contexts.
We introduced a new system to improve labor efficiency.
The labor efficiency of this factory exceeds the industry average.
生産性 is a broader term for productivity, often including capital and technology, while 労働能率 focuses specifically on the efficiency of labor input.
Compound of 労働 (labor) and 能率 (efficiency).