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Why avc curve U shape?
Overall because of diminishing marginal returns. The marginal cost curve, MC, decreases until diminishing marginal returns set in and and it begins to increase. When the MC is below the AVC, the AVC must fall. When the MC is above the AVC, the AVC must rise. In otherwords, if the marginal cost is decreasing the average cost must be decreasing as well and vice versa.
Indicate how each of the following would shift 1. the marginal cost curve 2. the average variable cost curve 3. the average fixed cost curve and 4. the average total cost curve of a manufacturing firm?
a. Property taxes are fixed costs, so this would decrease AFC, which in turn decreases ATC.b. Wages are typically variable costs, so this would increase both MC and AVC, which in turn increases ATC.c. Electricity is typically a variable cost, so this would decrease both MC and AVC, which in turn decreases ATC,d. Insurance is a fixed cost, so this would increase AFC, which in turn increases ATC.
What is the relationship between Average variable cost Average fixed cost and marginal cost?
we can subtract the AVC and we will get the MC
In long-run equilibrium P equal minimum ATC equal MC. The equality of P and minimum ATC means the firm is achieving?
Productive efficiency.
Can the average costs rise while the marginal costs are declining?
MC is the change in Tc divide by change in quantity. MC will always be negatively sloped and ATC has positively sloped.
Why does the minimum point of avc curve lie to the right of minimum point of mc curve?
AVC=AC-AFC,the AVC curve is simply the vertical difference between the AC and AFC curve, AFC gets less, the gap between AVC andAC narrows.since all marginal costs are variable ,the same relationship holds between MC and AVC as it did between MC and AC ,that is ,when MC is less than AVC ,it must be falling, if MC is greater than AVC .it must be rising, so ,as with the AC curve ,the MC curve crosses the AVC curve at its minimum point
Why avc curve U shape?
Overall because of diminishing marginal returns. The marginal cost curve, MC, decreases until diminishing marginal returns set in and and it begins to increase. When the MC is below the AVC, the AVC must fall. When the MC is above the AVC, the AVC must rise. In otherwords, if the marginal cost is decreasing the average cost must be decreasing as well and vice versa.
Indicate how each of the following would shift 1. the marginal cost curve 2. the average variable cost curve 3. the average fixed cost curve and 4. the average total cost curve of a manufacturing firm?
a. Property taxes are fixed costs, so this would decrease AFC, which in turn decreases ATC.b. Wages are typically variable costs, so this would increase both MC and AVC, which in turn increases ATC.c. Electricity is typically a variable cost, so this would decrease both MC and AVC, which in turn decreases ATC,d. Insurance is a fixed cost, so this would increase AFC, which in turn increases ATC.
What is the relationship between Average variable cost Average fixed cost and marginal cost?
we can subtract the AVC and we will get the MC
In long-run equilibrium P equal minimum ATC equal MC. The equality of P and minimum ATC means the firm is achieving?
Productive efficiency.
Can the average costs rise while the marginal costs are declining?
MC is the change in Tc divide by change in quantity. MC will always be negatively sloped and ATC has positively sloped.
The marginal cost mc curve always intersects the atc curve at its minimum point?
When marginal cost is below average total cost, the cost of an additional unit is lower than the average cost of all the units, so it causes average total cost to fall. If marginal cost is greater, the cost of an additional unit is higher, so average total cost will rise. So when they are equal, it will stay the same. Think of it like your GPA. Say ATC=your GPA (the average of all your grades), and MC=the grade in your next course (one particular grade). If you have a B average and get a C in your next course, your GPA will fall (like when MC is lower than ATC). If you have a B average and get an A, your GPA will rise (like when MC is higher than ATC). If you get a B in your next course, there won't be any change because it's the same as the average (like when ATC=MC).
Does a monopoly firm always make profit?
NO, it depends on where the ATC (avg total cost) intercepts the MC (Marginal Cost)
In long run equilibrium P equals minimum ATC equals MC what is the significance of the equality of P and minimum ATC for society?
There are only normal profits in the market, so no firms will enter or exit the market.
How do you derive the supply curve of an industry from the supply curve of the firm?
Set MC=AVC and solve for the values that a firm will produce at. Once you've found these values, set price = MC(S(p)) and solve for supply in terms of quantity.
What happens to marginal cost after the point where it equals average variable cost?
Marginal Cost will keep increasing (have upward slope) because of the principle of diminishing marginal returns. The MC curve above the its intersection with AVC is the Supply Curve *because below minimum AVC, the firms stops production)
Why mc intersect or cuts ac at its minimum point?
because at the minimum costs the adition costs(MC) is equal to average costs(AC) and which is a cost of single unit.
