Hours of labor or number of workers or employees are common ways of measuring a company's Productivity.
Productivity is important for a company. It basically means that employees are able to achieve more and organizations can get more profit by using fewer resources. When a company or organization is measuring productivity it would be able to see that they are meeting targets or not. You can even calculate that all the members are dividing the workload or only a few of them are doing all the work. Most of the employers are interested in measuring labor productivity as it tells you whether you are transforming labor into product or service efficiently or not.
You can measure productivity by taking the ratio between the number of hours worked to total output or output per worker per hour. Productivity can be measured per week or month if each unit of production takes more than an hour to create.
Therefore the number of workers or hours of labor are commonly used methods to measure productivity.
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