An increase in currency held outside the banks is ________

The above figure shows the market for steel ingots. If the market is competitive, then the competitive market level of output is

A) 100 units. B) 150 units. C) 50 units. D) 300 units.

Transferable pollution rights allow a given level of pollution reduction to be achieved: a. at zero cost

b. at higher cost than compliance standards. c. at lower cost than compliance standards. d. at higher cost than a system of pollution taxes.