The federal reserve influences the level of interest rates in the short run by changing the:

a. demand for money through open market operations.

b. demand for money through changes in reserve requirements.

c. supply of money through open market operations.

d. supply of money through changes in stock market operations

Which of the following best explains the purpose of protectionist trade policies such as tariffs and subsidies? a. they make sure that governments have enough money to pay for fiscal policies. b. they give foreign competitors access to new markets around the world. c. they allow producers to sell their products more cheaply than foreign competitors. d. they enable producers to purchase productive resources from everywhere in the world.