For a demand function Qd = f (P), a change in price causes a change in the quantity demanded. There are other five (5) variables, enumerate and explain each variable influencing demand in the general demand function. These are fixed at specific values for a given demand equation.
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- (Calculating Price Elasticity of Demand) Suppose that 50 units of a good are demanded at a price of Si per unit. A reduction in price to $0.20 results in an increase in quantity demanded to 70 units. Using the midpoint formula, show that these data yield a price elasticity of 0.25. By what percentage would a 10 percent rise in the price reduce the quantity demanded, assuming price elasticity remains constant along the demand curve?Using the following equation for the demand for a good or service, calculate the price elasticity of demand (using the point form), cross-price elasticity with good x and income elasticity. Q=82P+0.10I+Px Q is quantity demanded, P is the product price. P1 is the price of a related good, and I is income. Assume that P= $10, I = 100, and Px = 20.According to economic theory, the demand x for a quantity in a free market decreases as the price p increases (see the figure). Suppose that the number x of DVD players people are willing dx (A) Find 9,000 to buy per week from a retail chain at a price of $p is given by x = 10 sp<70. 0.3p + 1' dx Answer parts (A), (B), and (C). dp 4500- (B) Find the demand and the instantaneous rate of change of demand with respect to price when the price is $30. Write a brief interpretation of these results. The demand is x = when the price is $30. 2250- 9,000 The instantaneous rate of change of demand with respect to price is when the price is X = 0.3p + 1 $30. Write a brief interpretation of these results. p. 0- 40 80 At a price level of $30, the demand is DVD players per week and demand is Price (dollars) V at the rate of (C) Use the results from part (B) to estimate the demand if the price is increased to $31. Demand .....
- For a demand function Qaf (P), a change in price causes a change in the quantity demanded. There are other five (5) variables, enumerate and explain each variable influencing demand in the general demand function. These are fixed at specific values for a given demand equation.Suppose the demand function for product X is estimated by the equation: QDX= -2PX + 0,5PY - 0,2PZ + 1,2I. In there:QDX is the quantity demanded of product XPX is the price of product XPY is the price of product YPZ is the price of product ZI is the average income of consumersa/ Please make an argument to determine the relationship between two products X and Y, X and Z.b/ Please make an argument to determine whether product X is an ordinary good or a low-end goodQuestion 1 Suppose Ms. Zeenia demands 150 units of ice cream at price 50, if the price tends to increase to 60 she reduced her demand by 30 units while a further increase in the price by 10 rupees led to the reduction in the quantity demanded to 90 units ceteris paribus. Given the information above drive the demand function. Now suppose the price of milk has increased, illustrates graphically if there would be any change in the demand function elucidated in part a. Also, explain why or why not? Question 2 Keeping the present rate of inflation (increase in the general price level) in mind, consumers living in Karachi are anticipating that the price of tomatoes will go up just like it did last year in November. In your opinion explain if there would be any impact on…
- Lumber-4-Less knows that the monthly demand for framing studs is 2550 when the price is $1.75 each, but the demand rises to 3050 when the price decreases to $1.70. Assuming that the demand function is linear, write the equation for the demand function. Use q for quantity. P =A TV channel has estimated the demand for its service to be givenby the following function: Q=9.83p-1.2A2.5Y1.6P0-1.4whereQ = monthly sales in unitsP = price of the service in $A = promotional expenditure in $’000Y = average income of the market in $’000P0 = price of ‘home movies’ in $ The current price of the TV channel is $60, promotional expenditure is$120,000, average income is $28,000, and the price of ‘homemovies’ is$45.Indicate whether the following statements are true or false, givingyour reasons and making the necessary corrections h. Current sales are over a million units a month. i. The demand curve for the channel is given by:Q=9.83p-1.2j. The channel’s sales are more affected by the price of ‘home movies’ than by the price of its own service.k. If the channel increases its price this will reduce its profit.1. It is known that the number of lunches demanded is 80 units when the price is GH¢S5.00 and 45 units when the price is GH¢12.00 Determine the equation of the demand function in the form Q=f(P) Use the equation of the demand function to calculate the change in demand when the price; increases by GH¢3.00; decreases by GH¢2.00 Estimate the decrease in price for each lunch when the number of lunches demanded (quantity demanded) increases by GH¢15
- The demand equation for school lunches is x=100-10pwhere x is the number of lunches purchases and p is the price in dollars. Which of the following represents E(p)? A) p/10-p b) -p/10-p c) p/20-p d) -p/100-10p e) p2/100-10pThe demand equation for a particular candy bar is px + x + 20p = 3000where 1000x candy bars are demanded per week when p cents is the price per bar. If the current price of the candy is 49 cents per bar and the price per bar is increasing at the rate of 0.2 cent each week, find the rate of change in the demand.Marc-Antoine and Annabelle have demand curves for books which are descending lines. Annabelle's demand curve has the same slope as Marc-Antoine's. Annabelle's demand curve is to the right of Marc-Antoine's. An increase in the price of books will cause: (a) a shift to the right of the Annabelle and Marc-Antoine demand curves. (b) a left shift of the Annabelle and Marc-Antoine demand curves. (c) a greater reduction in excess consumer consumption for Annabelle than for Marc-Antoine. (d) a smaller reduction in excess consumer demand for Annabelle than for Marc-antoine
