input

…of production are the “inputs” necessary to obtain an “output.” However, not all the “inputs” that must be applied are to be regarded as factors in the economic sense. Some of these inputs in a normal situation are “free.” Although atmospheric air, for example, or a substitute for it,…

Labour input is relatively easy to measure if one is content to count heads of persons engaged in production or, preferably, hours worked. But in fact, the available hours data often relate to hours paid for, rather than hours worked, and these tend to…