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Q15) The dead weight loss is the loss of resources to people due to any external forces. In this case, it is tariff. Originally, the quantity people demanded at price OPw was 10 units (example) but however, when tariff was imposed, the price of the good increased and therefore the quantity demanded fell to 5 units(example). The loss of 5 units measured graphically would be by area y.
In the diagram, initially, people were buying grey area worth of goods. However, after tariff was imposed, the value fell to blue area. Grey - blue is equal to red.
View attachment 40496
Jazakallah bro.. I got it nowLet's see the effects of every option.
A) If money supply is increased, according to monetary transmission mechanism there would be an outward shift in AD, means the AD demand would increase overall. No movement so this cannot be the answer
B) Decrease in money supply would result in inward shift in AD curve, means that overall demand of an economy would fall. Vise versa of above statement.
C) If interest rates are increased, the people would save their money instead of investing it or demanding money. The output would not rise because there would be very less investment. Also because the cost of borrowing would increase (lonable funds theory)
D) Decrease in interest rate would lead people to demand for money and investment would increase. When this happens, the overall output is increased and that's what we are looking for. There would be movement along the curve from point J to K.
Therefore Answer is D