There are 6 firms in a market and the market shares of the firms are 40 percent, 30 percent, 10 percent, 8 percent, 7 percent, and 5 percent. The four-firm concentration ratio is equal to

Increased recycling for a resource will

a. Increase the choke price b. Decrease the choke price c. Increase the physical reserve d. Increase the economic reserves e. Increase the time until the choke price is reached

Governments can eliminate market surpluses through the imposition of price floors.

Answer the following statement true (T) or false (F)