In the long run; all production factors are ______? by Sunday | Oct 18 | Economics JAMB | 0 comments A. variable B. fixed C. semi-variable D. semi-fixed Correct Answer: Option A – variable Users Also Read These:Birds which are large with long straight pointed…Long-run production is called?The notion of short-run and long-run periods is…In long run, all factors inputs are?In the long run, all production factors are?