Answer:
Option A is riskier
Explanation:
In this question, we want to know which of the two stocks is riskier.
To answer this, we can use the standard deviation of returns as a risk measure.
For a security with a big value for standard deviation of returns, its per period returns are wider making its range per day large.
Hence, what this means is that out of the two stocks, the one with a larger value of standard deviation of returns will guarantee more risk as it is expected to give a better ranges of price
Now back to the values in the question, we can see that the standard deviation of returns of stock A is greater than that of stock B which this makes it a more risky option
Answer:
b. marginal cost curve above the average variable cost curve.
Explanation:
A perfect competitive indsutry is a characterised by many firms selling homogenous goods and services. Firms are price takers and there are no barriers to entry or exit of firms in the industry.
The supply curve of a perfectly competitive firm in the short run is the part of the marginal cost curve that lies above the average variable cost curve.
A perfect competition maximises profit where price equals marginal cost.
I hope my answer helps you
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