Suppose that the supply of oil to Pittsburgh, Pennsylvania, is perfectly elastic. If more people move to Pittsburgh because of its great football and hockey teams, what happens to the equilibrium price and quantity of oil in Pittsburgh?

Which (if any) of the following scenarios is the result of a natural monopoly? instructions: you may select more than one answer. a. patent holders of genetically modified seeds are permitted to sue farmers who save seeds from one planting season to the next. b. doctors in the united states are prohibited from practicing without a medical license. c. there is one train operator with service from baltimore to philadelphia. d. coal is used as the primary energy in a country with abundant coal deposits.