Question

An industry is composed of 10 firms, all with equal sales (e.g. firm 1 sales are 10% of the market, firm 2 sales are 10% of the market). The four-firm concentration ratio in this industry is _______ (expressed as a decimal).

Answer 1

0.40

Step-by-step explanation:

The four firm concentration ratio = 10%+ 10% + 10% + 10% = 40% =0.40

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