All of the following are considered input barriers to entry except: A

All of the following are considered input barriers to entry except:

A) control of a key raw material by a single firm.
B) the ability to obtain financing for capital projects at more favorable rates than potential competitors.
C) the fact that workers in a particular industry belong to a union.
D) a patent on a specialized type of capital that is needed to produce a particular product.

ANSWER

C