Question
2. Calculating marginal revenue from a linear demand curve The blue curve on the following graph represents the demand curve facing a firm that can
2. Calculating marginal revenue from a linear demand curve
The blue curve on the following graph represents the demand curve facing a firm that can set its own prices.
Use the graph input tool to help you answer the following questions. You will not be graded on any changes you make to this graph.
Note: Once you enter a value in a white field, the graph and any corresponding amounts in each grey field will change accordingly.
0369121518212427301501351201059075604530150PRICE (Dollars per unit)QUANTITY (Units)Demand
Graph Input Tool
Market for Goods | |||||
---|---|---|---|---|---|
Quantity Demanded (Units) | |||||
Demand Price (Dollars per unit) |
On the graph input tool, change the number found in the Quantity Demanded field to determine the prices that correspond to the production of 0, 6, 12, 15, 18, 24, and 30 units of output. Calculate the total revenue for each of these production levels. Then, on the following graph, use the green points (triangle symbol) to plot the results.
Total Revenue036912151821242730113010179047916785654523392261130TOTAL REVENUE (Dollars)QUANTITY (Number of units)
Calculate the total revenue if the firm produces 6 versus 5 units. Then, calculate the marginal revenue of the sixth unit produced.
The marginal revenue of the sixth unit produced is
.
Calculate the total revenue if the firm produces 12 versus 11 units. Then, calculate the marginal revenue of the 12th unit produced.
The marginal revenue of the 12th unit produced is
.
Based on your answers from the previous question, and assuming that the marginal revenue curve is a straight line, use the black line (plus symbol) to plot the firm's marginal revenue curve on the following graph.
Marginal Revenue0369121518212427301501351201059075604530150-15-30MARGINAL REVENUE (Dollars)QUANTITY (Units)
Comparing your total revenue graph to your marginal revenue graph, you can see that total revenue is at the output at which marginal revenue is equal to zero.
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