At what output level does the firm have economies of scale?

The firm’s long-run total cost is given by LTC = 100Q – 10Q2 + (1/3)Q3, and long-run marginal cost is given by LMC = 100 – 20Q + Q2. At what output level does the firm have economies of scale?

 
"Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!"