Case questions Several companies operated downhill ski facility in aspen, Colorado. They all sold a joint ticket that allows skier to ski in all the facilities the receipts were later divided into various use rates. Eventually one firm owned all skies area but one.the big farm stop issuing the joint ticket and instead issued a ticket good only for its skis areas. The firm that owned only ski facility saw its market shares fall from 20 percent to 11percent. It sued claiming that the larger firm violated section 2 of the Sherman act by attempting to monopolize sling by ending the joint ticket arrangement. Is the sale of the joint ticket a violation of the antitrust law