The main difference between long run and short run costs is that there are no fixed factors in the long run. The main difference between short-run and long-run production function is that in on run the producer is not able to increase or decrease the quantity of all inputs Whereas in. Monopoly Diagram Short Run And Long Run Economics Help Economics Monopoly Profit There are both fixed. . Get the word out. From a long-run perspective the amount of production equipment the company owns is a variable input. Economists connect the word short-run as well as long-run or the concept of short-run and long-run with the ability of producers to adjust different factors of production while producing goods. The long run on the. However from a short-run perspective the amount of production. Gather at Piedmont Park on September 1st for the 5K and Celebrate. In the short run each firm in the industry will increase its lab