Monetarists contend that the channels of monetary influence in Keynesian structural models are too ________ defined, ________ the importance of monetary policy

A country has I = $200 billion, S = $400 billion, and purchased $600 billion of foreign assets, how many of its assets did foreigners purchase?

a. $0 b. $200 billion c. $400 billion d. $800 billion

In real life, people's behavior is constrained by:

A. laws of nature. B. costs of various actions. C. legislated rules of society. D. All of these are rules that constrain people's behavior.