Which form of business organization is the most common in the United States?

If the economy is at full employment, then the inflation rate

A) is less than the expected inflation rate. B) is equal to zero. C) can be anywhere on a short-run Phillips curve. D) is equal to the expected inflation rate. E) exceeds the expected inflation rate.

Many mining and mineral extraction processes tend to exhibit increasing returns to scale

Suppose copper mines have increasing returns, and the existing copper mines reduce their capital and labor inputs by 25 percent in response to a global recession. What is the expected impact on copper output? A) Output increases by less than 25 percent B) Output decreases by less than 25 percent C) Output decreases by exactly 25 percent D) Output decreases by more than 25 percent