input measures in a sentence

• There are both advantages and disadvantages associated with the different input measures that are used in the calculation of labour productivity.
• Denominator of the ratio of labour productivity, the input measure is the most important factor that influences the measure of labour productivity.
• In Library Journal, Oregon State Librarian Jim Scheppke notes that the statistics that HAPLR relies on are misleading because they rely too much on output measures, such as circulation, funding, etc . and not on input measures, such as open hours and patron satisfaction.
• It's difficult to see input measures in a sentence .