etermined the driver's market entry and xit in the simulation? Use economic models to support your analy sis. ow does a business owner applying the oncept of marginal costs decide how much to produce? For example, how did he driver determine how many hours to rive each day? Use economic models to xplain. ow does the impact of fixed costs hange production decisions in the short In and in the long run? Use the average- tal-cost (ATC) model included in the nodule reading chapters to demonstrate is impact