[1] Sellers are in the same market if they:
A) are in the same industry.
B) use workers that belong to the same labor union.
C) sell similar products and compete for the same buyers.
D) all of the above.
[2] The main determinants of the boundaries of a market are
whether:
A) sellers are domestic or foreign-owned corporations.
B) sellers are sole proprietorships, partnerships, or
corporations.
C) buyers view the sellers' products as close substitutes for
one another, and...