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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Kindly solve the following exercises (explaining every step):
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Q.1. Suppose the market demand for a particular product in Dubai is given by the following equation:
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Qd = 1000 – 20P + 10Ps – 10Pc + 6Y
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While the market supply of this product is given by the following equation:
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Qs = 40P – 180 – 40C
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Where: Qd =quantity demanded; Qs = quantity supplied; P = the price of the good; Ps = the price of a substitute; Pc = the price of a compliment; Y = the consumer’s income; C = the marginal cost of producing the good.
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Suppose Ps = 5; Pc = 8; Y = 25; C = 20.
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a) Calculate the equilibrium price and quantity of this good. Use graphs
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b) Suppose now the price of a substitute rises to 11. Calculate the new equilibrium price and quantity of this good.
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c) How does the new equilibrium compare with the old one? Comment on it.
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d) How does the increase in the price of the substitute affect the demand?
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Q.2. Suppose the demand for using Al Garhoud Bridge in Dubai is represented by the following equation:
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Qd = 10,000 – 1000p
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Where Qd is the quantity demanded; p is the price in dirhams per use.
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a) If the price is 2 AED, how much total revenue is collected?
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b) What is the price elasticity of demand when the price is 2 AED?
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c) If the Bridge authorities want to increase their total revenue, should they increase or decrease the price from 2 AED? Give reasons
Once again must explain the solution step by step and not only the result, with all the reasons required
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