Suppose that you observe a market with four firms, each with about 25% market share. What does it suggest about the following attributes of this market:

a. network externalities
b. multi-housing costs
c. level of differentiation across the firm's offerings

level of differentiation across the firm's offerings

Option C.

Explanation:

Differentiation are the differences that a firm might offer to his customers and clients. These differences make the firms different from each other which exist in the market.

More different and innovative practices that a firm has compared to the competitors, more successful it would be in the market and would have more customers attracted towards it because of the innovation and the differentiation.

answer; institution based;