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.

Actual usage for the year by the marketing department was 70,000 copies and by the operations department was 330,000 copies. if a dual-rate cost-allocation method is used, what amount of copying facility costs will be budgeted for the operations department?

When peter metcalf describes black diamond’s manufacturing facility in china as a “greenfield project,” he means that partnered with a chinese company to buy the plant . of all market entry strategies, this one carries the lowest risk. because black diamond manufactures its outdoor sports products outside the united states, what risks must its managers be aware of?

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)