In general, activists are ________ about the ability of fiscal and monetary policies to stabilize AD and non-activists are ________

Isabel receives a check for $7,000 from Kermit and deposits it in her bank. Suppose that the reserve ratio is 10 percent. As a result of this transaction the money supply will

A) decrease by $63,000 and then increase by $70,000. B) increase by $70,000. C) decrease by $70,000 and then increase by $63,000. D) not change.

An industry consists of six firms with annual sales of $300, $500, $400, $700, $600, and $600. What is the industry's C4?

A. 0.74 B. 0.58 C. 0.62 D. 0.77