All of following changes will shift the investment demand curve to the right EXCEPT

a) a decrease in the corporate income tax rate

b)an increase in the productivity of new capital goods

c)an increase in the real interest rate

d)an increase in corporate profits

e) an increase in real gross domestic product

여기서 investment damand curve 가 뭔가요? 

--> 매크로 문제풀이 강의 레슨 7 3-5번 문제입니다. 확인해주세요!

Sunny~