(Last Word) Many Economists Believe That the Federal Government

(Last Word) Many economists believe that the federal government

A) spends far too much on basic scientific research, as this activity should be reserved for the private sector.
B) should spend more on basic scientific research because scientific knowledge is a public good with significant positive externalities.
C) should conduct all R&D activity in the economy, limiting firms' ability to gain monopoly power through product innovation.
D) should finance more consumption through Social Security and Medicare so that the increased demand encourages greater R&D.