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Horizontal summation of individual firms demands

The purely competitive industry’s demand for the labor is: (i) Less elastic than the horizontal summation of individual firm’s demands. (ii) Perfectly elastic. (iii) Upward sloping as of the diminishing marginal returns to labor. (iv) Equivalent to the horizontal summation of demand curves of the individual firms. (v) Not influenced by the modifications in demand for the product of industry.

Choose the right answer from the above options.

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