Sentence:  We are abstracting from the fact of strikes here , but it should be obvious that the extent to which the public limit price is raised by a given increase in the basic wage rate is also a <WSD>function</WSD> of the show of resistance put up by the industry . 
Meaning of the word marked with <WSD> tags:  (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)