Problem
Using demand curves, illustrate the effect of product differentiation on haircutters? Why might society prefer a situation in which entry can occur to a situation in which entry is restricted? Under what circumstances would a large size provide an advantage to a firm? How could it serve as a barrier to entry?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.