An increase in nominal U.S. GDP necessarily implies that the United States is producing a larger output of goods and services

When producing goods and services along a PPF, tradeoffs exist because

A) not all production is efficient. B) society has only a limited amount of productive resources. C) buyers and sellers often must negotiate prices. D) human wants and needs are limited at a particular point in time.

When the economy is far below the natural rate of real output, efforts to change inflation with monetary policy will be ____ successful and efforts to stimulate the economy will be ____ successful

a. More; less b. More; more c. Less; less d. Less; more