A. Past levels of income
B. Future expected profits
C. Present national income levels
D. Historic data
A. It is necessary for exerting social control in society
B. It plays a significant role in all kinds of social interactions
C. All power relationships are one sided
D. People have greater or lesser amounts of power according to their statuses in society
A. income-expenditures diagram
B. aggregate demand-aggregate supply diagram
C. circular flow diagram
D. income-price diagram
A. disengagement
B. displacement
C. bequeath Ent
D. bereavement
A. microsocial level
B. macrosocial level
C. secondhand level
D. macroscopic level
A. the economy moves up the LM curve
B. The LM curves shifts to the left
C. The economy moves down the LM curve
D. The LM curve shift to the right
A. externalities
B. the free-rider problem
C. a and b
D. a and c