1. Given the following market supply and demand curves in equation form, compute the equilibrium price and quantity for each item a. Q = -10 + 15P and Qd = 25 - 5P b. P = 5,000 - 10Q and P = 2,500 + 2Q c. 2.5P+ 5.5Q 5.5 and 0.5P-0.25Q -0.25
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- 5. The demand and supply curves for a firm's product are estimated to be: 20a = 3 - P Q, = 1+ 0.5P %3D where Qaand Qsdenote quantity demanded and supplied, respectively, and P is price. Determine the price and quantity of the product in equilibrium.Identify the effect each scenario would have on the market for various products.For each scenario:- Label the P & Q of the graph as well as the original supply curve, demandcurve, and market equilibrium (S1, D1, E1).- Identify whether it would first cause a shift in supply or demand and draw andlabel the new curve and market equilibrium (S2 or D2, E2)-Identify whether the equilibrium price and quantity will increase or decreasea. Insects kill half the nation’s tomato crop. What will happen to the market fortomatoes?b. The price of salmon, a substitute for tuna, skyrockets. What will happen to themarket for tuna?c. New assembly line technology makes it cheaper to produce car parts. Whatwill happen to the market for cars?The following table shows the demand and supply of tickets of a football game which will be held at Shah Alam Stadium. Unit Price (RM) Market Demand (units) Market Supply (units) 20 5000 3500 40 4000 3500 60 3000 3500 80 2000 3500 100 1000 3500 a) On your foolscap paper, draw the demand and supply curves. Label all axes, all curves and the equilibrium point. (6m) b) How much is the equilibrium price and equilibrium quantity? (2m) c) At which price will there be a surplus of 2500 tickets? (1m) d) What will happen when the market price is RM40? Show your answer on the same diagram. (3m) e) Why is the supply of tickets fixed at 3500? (1m)
- The following relations describe monthly demand and supply for a computer support service catering to small businesses.Q D = 3,000 - 10PQ S = -1,000 + 10Pwhere Q is the number of businesses that need services and P is the monthly fee, in dollars.a. At what average monthly fee would demand equal zero?b. At what average monthly fee would supply equal zero?c. Plot the supply and demand curves.d. What is the equilibrium price/output level?e. Suppose demand increases and leads to a new demand curve:1. The weekly demand (Qd) and supply (Qs) functions for a good X are given by:-Qd = 1000 – 5pQs = -400 + 15p, where P = Price per unit (R)(i) Draw the demand and supply curves on a graph and find the equilibrium priceand quantity (ii) If the demand function changes to 1200 – 5P, show the changes to part (i)above. (iii) Suppose a subsidy of R40 per unit is subsequently granted to producers ofgood X. Determine the new equilibrium price and quantity. (b) Use suitable examples to explain the likely effects of a price ceiling. (c) What do you understand by the ‘Substitution and Income effects’ of a change inprice of a good. (d) Elaborate on the factors influencing Price Elasticity of Demand (PED) and PriceElasticity of Supply (PES) of a good. 2. (a) Explain the concepts of Price Elasticity of Demand (PED), IncomeElasticity of Demand (YED) and Cross Elasticity of Demand (CED)(b) To what extent can PED be important to:-(i) a government, (ii) managers of hypermarkets ‘3. (a) Compare the…1. Suppose the demand for and supply of one-bedroom housing units in Nairobi’s Westlands area can be represented by the following linear functions:Qd =18,200–40P and Qs =–2,200+20PWhere Qd, Qs = Number of housing units in thousands, P = Price in US dollars.a) Determine the market equilibrium price and quantity b) Suppose the government decides to subsidize the cost of construction one-bedroom houses in the area at US$20.00 per housing unit. Determine the equilibrium outcome after the subsidy, and show how the benefit is shared between tenants and landlords. How much will the subsidy costthe government?c) Graphically show your results using well labeled demand and supply curves
- 3) Suppose that there are only two types of shoes in the world. Regly tennis shoes, that sell for $30 a pair, and Super Air Swooshes, that sell for $55 a pair. You do not have to give me any numbers, just think about how you might choose to spend your money. Now, suppose Regly tennis shoes increase in price to $50 a pair, what would happen to your demand for Super Air Swooshes? Given your answer, what are the substitution and income effects?Assumed that the demand (D) for potato given by demand: Q = 1500 − 15P, where Q isquantity per month measured in kilos and P is price per kilo. 1. Supply is equals to 900 kilos one day, what will the price be?2. Supply were to fall to 300 kilos, what would the price be?3. The D for Potato shifts outward to Q = 2100 − 15P, what will be answer in part 1 and 2 change?4. Graph the results10.Which of the following would cause the demand curve for brooms to shift to the right, assuming that brooms were an inferior good? A-The price of brooms increases. B-The price of a complement increases. C-The income of all consumers decreases. D-The economy strengthens because of decreased taxes. E-The production of brooms decreases because of vacuum cleaners. 11.If a firm with a supply schedule with positive units at every price leaves a market, ceteris paribus, what will happen to the market supply? A-It will shift right by that firm's output quantity at every price. B-It will shift left or decrease by that firm's output quantity at every price. C-It will not change. D-It will become more elastic. E-Insufficient data to determine.
- 12. Demand-income elasticity for commodity K is determined as 1.15, and demand price elasticity is determined as -0.53.a) What kind of need can the product K be evaluated as?b) What can be said about the elasticity of the demand?c) How much will the consumption increase if the consumer income increases by 70%?d) What should be the increase in the unit price if the consumption is halved?1. Consider the demand function for bicycles in South Florida: Q = 24 + 3Y – 1.2P where: Q is quantity demanded, Y is monthly income, and P is the price per unit. If/when P = $54, and Y = $2,300, (a) Find the quantity of bicycles that would be sold. (b) Calculate the amount of the seller's total revenue. (c) Compute the price-elasticity of demand (Ep) for bicycles. (d) Interpret your result in (c). (e) Compute the income-elasticity of demand (Ey) for bicycles. (f) Interpret your result in (e).14)Why does quantity supplied go up as price goes up? * a)For a given time period, the marginal utility gained by consuming equal successive units of a good will decline as the amount consumed increases b)Because as price rises, producer profit rises, which induces producers to supply a larger quantitiy. c)Because people substitute lower-priced goods for higher-priced goods as price rises. d)Both (a) and (b) above