Suppose our firm produces chartered business flights with capital​ (planes) and labor​ (pilots) in fixed proportion​ (i. e., one pilot for each​ plane). The expansion path for this business will A. follow the​ 45-degree line from the origin. B. increase at a decreasing rate because we will substitute capital for labor as the business grows. C. not be defined. D. be a vertical line.

A. follow the​ 45-degree line from the origin

Explanation:

In order to diversify the business that means the output level should be increased we need to rise the input i.e. no of planes and pilots

Now if we increase the no of planes by 1 so here the no of pilots should also be increased by 1 units

So the expansion path equation is y = x

Therefore the option a is correct

y=mx+b is the right slope of velocity carry the 4 over

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