If aggregate expenditures rise by $200 billion and real gdp consequently rises by $500 billion, then the mpc in the economy must be 0.4. true or false other things constant, if domestic consumers purchase fewer foreign goods at each level of gdp in the short run,
a. gdp will fall.
b. there will be no change in gdp in this country.
c. gdp will rise.
d. foreign countries' gdp will rise.