In: Economics
Along an industry long-run supply curve
a. |
input prices are held constant. |
|
b. |
the number of firms in the industry is constant. |
|
c. |
economic profits increase at higher rates of output. |
|
d. |
economic profits are zero. |
"D"
Economic profits are zero, the input price may rise and fall in the market causing the LRSC to rise or fall, the numbers of industry may change and profit remain zero all along the curve.