A. Toothpaste
B. Crude oil
C. Agriculture
D. Local telephone service

Is it D?

Crude oil

2 Responses

1. Yeah Whatever Says:
   March 10th, 2010 at 9:58 pm

   Crude oil
   References :

2. oeynoj Says:
   March 10th, 2010 at 10:34 pm

   Toothpaste.
   Monopolistically competitive industries are characterized by having many producers and suppliers and having product differentiation. Generally low barriers to entry. thus the best answer is A. The rest do not fit this description.
   References :

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