46T he table below shows the short-run production function for Phyliss's Carpentry Contractors. Number of Carpenters Total Product per Hour 1 200 2 255 3 305 4 345 380 6. 410 7 435 8. 455 (a) Beginning with which carpenter do diminishing marginal returns set in for Phyliss's Carpentry Contractors? Explain using numbers. (b) Assume Phyliss's Carpentry Contractors sells its carpentry services in a perfectly competitive market at a price of $2. Calculate the marginal revenue product of the fifth carpenter. Show your work. (c) Phyliss's Carpentry Contractors hires carpenters in a perfectly competitive labor market for carpenters at a wage rate of $90 per hour, and the market price of services remains $2. How many carpenters will Phyliss's Carpentry Contractors hire to maximize its profit? Explain using marginal analysis.

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7 of 46T he table below shows the short-run production function for Phyliss's Carpentry Contractors.
Number of Carpenters
Total Product
per
Hour
1
200
2
255
3
305
4
345
5
380
410
7
435
8
455
(a) Beginning with which carpenter do diminishing marginal returns set in for Phyliss's Carpentry Contractors? Explain
using numbers.
(b) Assume Phyliss's Carpentry Contractors sells its carpentry services in a perfectly competitive market at a price of $2.
Calculate the marginal revenue product of the fifth carpenter. Show your work.
(c) Phyliss's Carpentry Contractors hires carpenters in a perfectly competitive labor market for carpenters at a wage rate
of $90 per hour, and the market price of services remains $2. How many carpenters will Phyliss's Carpentry Contractors
hire to maximize its profit? Explain using marginal analysis.
(d) Assume carpenters must pay for a certification exam before they can work in this industry. If the cost of that exam
decreases, what will happen to each of the following in equilibrium?
(i) The market wage rate. Explain.
(ii) The number of workers hired in the labor market. Explain.
Transcribed Image Text:09:29 Wed 8 Dec VPN O 92% •.. managebac-prod-china.s3.cn-north-1.amazonaws.com.cn A 7 of 46T he table below shows the short-run production function for Phyliss's Carpentry Contractors. Number of Carpenters Total Product per Hour 1 200 2 255 3 305 4 345 5 380 410 7 435 8 455 (a) Beginning with which carpenter do diminishing marginal returns set in for Phyliss's Carpentry Contractors? Explain using numbers. (b) Assume Phyliss's Carpentry Contractors sells its carpentry services in a perfectly competitive market at a price of $2. Calculate the marginal revenue product of the fifth carpenter. Show your work. (c) Phyliss's Carpentry Contractors hires carpenters in a perfectly competitive labor market for carpenters at a wage rate of $90 per hour, and the market price of services remains $2. How many carpenters will Phyliss's Carpentry Contractors hire to maximize its profit? Explain using marginal analysis. (d) Assume carpenters must pay for a certification exam before they can work in this industry. If the cost of that exam decreases, what will happen to each of the following in equilibrium? (i) The market wage rate. Explain. (ii) The number of workers hired in the labor market. Explain.
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