1. Given the following demand and supply functions of a consumer: Qd = 12-3p (Qd -...
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1. Given the following demand and supply functions of a consumer: Qd = 12-3p (Qd - Quantity demanded) Qs = 2p +2 (Qs - Quantity supplied) a) Graphically illustrate and mathematically show that the slope of the demand curve (Qd = 12-3p) is constant, but the price elasticity of demand varies along the curve. b) Find the market equilibrium price and quantity. Show your solution graphically. c) Calculate the consumer and producer surpluses. d) If the going price is E1, would there be an excess demand or excess supply? And how much would be the excess 2. Suppose that your firm sells 1000 units of product in a month when the price is E130 per unit. If it is known that the price elasticity of demand for the product is -0.07, how many units will your firm sell if the price were to be decreased to E120 per unit? 3. Explain why the following is impossible, with the aid of a graph a) Crossing Indifference curves solution graphically. b) Upward sloping indifference curve 4. Discuss the key features/properties of an Indifference Curve. 5. What does the slope of an Indifference Curve determine? 6. What does the slope of a budget line represent? 7. Graphically illustrate and explain the budget line in the following situations: a) Change in the consumer income. b) The price of one of the goods increases. c) Prices of both goods change i. Increase by the same proportion. ii. Increase in different proportions. d) Prices change in different directions, i.e one increases and the other decreases. 8. Explain the "Last Lilangeni Rule". 9. Mathematically prove that at the consumer equilibrium, the slope of the indifference curve equals the slope of the budget line 10. A student derives utility by consuming two goods, namely, X and Y. Given the following information about the student: U = 5X²Y Utility function And the budget constraint is I = PxX + PyY Where: is the price of Good Y, and I is the income of the consumer. X - Quantity of Good X, Y - Quantity of Good Y, Px is the price of Good X, Py a) Find the utility maximizing levels of Good X and Good Y using the Lagrangian method. b) If the price of Good X is E5, the price of Good Y is E3, and the consumer income (1) is E500, find the optimal levels Good X, Good Y, and the maximum utility level (U). c) Show this optimal bundle in a graph. 1. Given the following demand and supply functions of a consumer: Qd = 12-3p (Qd - Quantity demanded) Qs = 2p +2 (Qs - Quantity supplied) a) Graphically illustrate and mathematically show that the slope of the demand curve (Qd = 12-3p) is constant, but the price elasticity of demand varies along the curve. b) Find the market equilibrium price and quantity. Show your solution graphically. c) Calculate the consumer and producer surpluses. d) If the going price is E1, would there be an excess demand or excess supply? And how much would be the excess 2. Suppose that your firm sells 1000 units of product in a month when the price is E130 per unit. If it is known that the price elasticity of demand for the product is -0.07, how many units will your firm sell if the price were to be decreased to E120 per unit? 3. Explain why the following is impossible, with the aid of a graph a) Crossing Indifference curves solution graphically. b) Upward sloping indifference curve 4. Discuss the key features/properties of an Indifference Curve. 5. What does the slope of an Indifference Curve determine? 6. What does the slope of a budget line represent? 7. Graphically illustrate and explain the budget line in the following situations: a) Change in the consumer income. b) The price of one of the goods increases. c) Prices of both goods change i. Increase by the same proportion. ii. Increase in different proportions. d) Prices change in different directions, i.e one increases and the other decreases. 8. Explain the "Last Lilangeni Rule". 9. Mathematically prove that at the consumer equilibrium, the slope of the indifference curve equals the slope of the budget line 10. A student derives utility by consuming two goods, namely, X and Y. Given the following information about the student: U = 5X²Y Utility function And the budget constraint is I = PxX + PyY Where: is the price of Good Y, and I is the income of the consumer. X - Quantity of Good X, Y - Quantity of Good Y, Px is the price of Good X, Py a) Find the utility maximizing levels of Good X and Good Y using the Lagrangian method. b) If the price of Good X is E5, the price of Good Y is E3, and the consumer income (1) is E500, find the optimal levels Good X, Good Y, and the maximum utility level (U). c) Show this optimal bundle in a graph.
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1 a To graphically illustrate the demand function Qd123p we need to plot the quantity demanded Qd on the yaxis and the price p on the xaxis The equation can be rewritten as p 12Qd3 By substituting dif... View the full answer
Related Book For
Intermediate Microeconomics and Its Application
ISBN: 978-0324599107
11th edition
Authors: walter nicholson, christopher snyder
Posted Date:
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