Which of the following is an important ingredient for the achievement of efficient economic organization

As a result of the Fed's actions during the 2008 financial crisis and banks' lending policies,

A) the M2 money multiplier has fallen from about 9 to about 4. B) the M2 money multiplier more than doubled. C) the monetary base decreased by 50 percent. D) the ratio of currency to M2 deposits more than doubled. E) the reserve requirement ratio increased.

Suppose real GDP for a country is $13 trillion in 2015, $14 trillion in 2016, $15 trillion in 2017, and $16 trillion in 2018. Over this time period, the real GDP growth rate is

A) increasing. B) decreasing. C) constant. D) negative.