A natural monopoly exists if:
a. several former competitors merge to become the only producer in the industry.
b. average cost of production is lowest when only one firm produces the entire industry output.
c. one firm controls the supply of an essential input used by the industry.
d. a firm has a patent or copyright.
Question 2
Consider a country Atlantica, using dollars () as its currency. If this country sets a price for gold, and then issues currency such that the amount in circulation is equivalent to the value of gold held in reserve, it is said to be the following:
a. an exchange standard.
b. a gold standard.
c. a reserve currency standard.
d. a crawling peg standard.
e. a currency board standard.
Structural similarities between antimetabolites and their natural counterparts
Natural defenses against stomach acid.
Natural Products
Evolution and Natural selection shapes organisms and diversity
Beer is made from the fermentation of yeast and the natural sugars from grains
Producer acquiring energy and nutrients from the environment