Open Economy Macroeconomics — Economics STD 12 Humanities & Commerce — Question

State whether the following statements are true or false. Give reasons for your answer:
The value of marginal propensity to save can never be negative.

Giving reasons, state whether the following statements are true or false.
Gross investment can be equal to net investment.

When AD = AS, producers suffer the burden of unwanted supplies. (True/ False)

Are the following statements true or false? Give reasons.
Expenditure made on the development of a railway line is a capital expenditure.

Supply for perishable goods is inelastic. (True/ False)

Giving reasons, state whether the following statements are true or false.
Growth of resources shifts PPC towards left.

Giving reasons, state whether the following statements are true or false.
Net profit of any Bank of India's branch in USA will not be included in Indian National income.

Floor price is fixed by the government, which is generally lower than the equilibrium price. (True/ False)

Giving reasons, state whether the following statements are true or false.
Under perfect competition, all the units of a good produced can be heterogeneous.

Giving reasons, state whether the following statements are true or false:
When TR is constant, AR will also be constant.