A partial productivity measure is usually a ratio of output to the quantity of a single input (material, labor, capital). Scrap cannot be used to measure a manufacturing cell's partial productivity, because it is not an output nor is it an input.
A partial productivity measure is usually a ratio of output to the quantity of a single input (material, labor, capital). This ratio measures the productivity of that one input to the production process. Examples of partial productivity measures are number of units produced per pound of direct material, or per direct labor hour. Direct material usage is a partial productivity measure of a manufacturing cell because direct material is one input.
Shrinkage occurs when inventory is lost through deterioration, obsolescence, theft, damage or waste. It does not reflect on manufacturing productivity.
Inventory turnover measures how many times inventory on hand is completely sold and replaced during a period. This is a measure not only of production but also purchasing.
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