As long as the marginal benefit from a good is greater than its marginal cost, an economy is operating efficiently

A market demand schedule for a product indicates that

A) as the product's price falls, consumers buy less of the good. B) there is a positive relationship between price and quantity demanded. C) as a product's price rises, consumers buy more of the good. D) there is a negative relationship between price and quantity demanded.

Which of the following is most accurate?

a. The US has always had a national bank since the early 1800s. b. The US is currently on the gold standard. c. The US used both gold and silver to back its currency during the entire 19th century. d. The US experienced low inflation during the 1970s because it printed very little money. e. The US Federal Reserve is relatively independent compared to similar institutions in most other industrialized nations.