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Explain the meaning of purchasing power parity. Give an example of what will happen when purchasing power parity does not hold in two economy.
-Suppose the Bank Negara Malaysia change the quantity of money in the economy. How does this change affect the interest rate in the short run?
(8 marks)

-Suppose the Bank Negara Malaysia change the quantity of money in the economy. How does this change affect the interest rate in the long run?
(8 marks)

-Due to recent spike in numbers of accidents involving workers’ health and safety in the construction industry particularly under company ABC, a union is established in the construction industry, graphically illustrate how the establishment of the union on construction industry will lead to unemployment.


-Assume that company ABC is an advocate of efficiency wage theory. What does efficiency wage theory suggest and how does it affect the unemployment level?



Calculate what happens to nominal GDP if velocity remains constant at 4 and the money supply increases 50%. Assume that GDP is now at $2 trillion
If the consumption function is C = 100 + 0.8Y, planned investment spending is 400, government expenditure is also 400 and the net exports 100, calculate what is the equilibrium level of output? If planned investment falls by 100 and net exports by 50 what is going to be the impact on the final output?

During the past year, consumption expenditures increased by $13.5 billion, gross investment increased by $5.8 billion, and government purchases declined by $10.4 billion. In addition, the country experienced a trade deficit of $2.9 billion did the country's GDP increase or decrease and by how much?


Suppose that one has a present loan of $1,000 and desires to determine what equivalent uniform EOY payments, A, could be obtained from it for 23 years if the nominal interest rate is 11.9% compounded continuously (M =∞).
2. Suppose the demand equation for computers by Teetan Ltd for the year 2017 is given by Qd= 1200-P and the supply equation is given by Qs= 120+3P. Find equilibrium price and analyse what would be the excess demand or supply if price changes to Rs 400 and Rs 120.
Describe the possible effects of on an economy of a rightward shift of long run aggregate supply curve
3. A monopolist’s demand function is given as Q=2000-10P, where Q the quantity is produced and sold and P is the price per unit in Rwf. If the firm’s marginal cost is 100Rwf
i) Calculate the monopolist’s equilibrium price and quantity’
ii) Suppose the monopolist behaves competitively, how would the answers in (i) above change?
iii) A monopolist is known to cause inefficiency, find the value of the deadweight loss due to the monopoly
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