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.

Which result is a positive aspect of globalization?

Abusiness cycle reflects in economic activity, particularly real gdp. the stages of a business cycle

The basic difference between macroeconomics and microeconomics is that: a. microeconomics looks at the forest (aggregate markets) while macroeconomics looks at the trees (individual markets). b. macroeconomics is concerned with groups of individuals while microeconomics is concerned with single countries. c. microeconomics is concerned with the trees (individual markets) while macroeconomics is concerned with the forest (aggregate markets). d. macroeconomics is concerned with generalization while microeconomics is concerned with specialization.