ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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- Worldwide annual sales on smart phones over a two year period were approximately q=-5p+3090 million phones at the selling price of $p per phone. (a) obtain a formula for the price elasticity of demand E. E=______ (b) in one of the years the actual selling price was $355 per phone. What was the corresponding price elasticity of demand? E=______ The demand is going (up/down) by about _____% per 1% increase in that price level.arrow_forwardA large company in the communication and publishing industry hs quantified the relationship between the price of one of its products and the demand for this product as Price = 160 -0.01 xDemand for an annual printing of this particular product. The foxed costs per year (ie. per printing) = $4T 000 and the variable cost per unit = $35. What is the maximum profit that can be achieved? What is the unit price at this point of optimal demand? Demand is not expected to be more than 7,000 units per year. The maximum profit that can be achieved is S. (Round to the nearest dolar.) The unit price at the point of optimal demand is S per unit (Round to the nearest cent)arrow_forwardConsider the market for good x for which there is one firm controlling the market.D(q)=165-10qMC(q)=5q+15MR(q)=165-20qC(q)=2.5q^2+15q+8 (a) Find the point of equilibrium. (b) How many units must the firm produce and sell to maximize its profits? (c) What will be the price the firm will charge to consumers?arrow_forward
- Please solve this problem? THANK YOUarrow_forward18) An appliance company determines that in order to sell x dishwashers, the price per dishwasher must be p=660-0.4x. It also determines that the total cost of producing x dishwashers is given by C(x) = 5000+ 0.6x². What is the maximum profit? A) $103,900 B) $108,900 C) $113,900 D) $212,800arrow_forwardThe travel time (t) on the segment of a highway connecting city A with city Bhas been observed to follow the equation below, as a function of traffic flow(v): t = 15 + 0.02v, where t and v are measured in minutes and vehicles perhour, respectively. The demand function for travel connecting the two cities isv = 3500 – 120t.a) Determine the equilibrium time and traffic flow.b) If the length of the highway segment is 30 kilometres, what is the averagespeed of vehicles traversing this segment at equilibrium conditions?arrow_forward
- ammm. 11arrow_forwardWhen the price of candy bars increased from $0.45 to $0.55, the quantity demanded changed from 21,000 per day to 19,000 per day. In this price range, the price elasticity of demand coefficient (based on the midpoint formula) for candy bars is A) -1. B) -0.18. (C) -2. D -0.5.arrow_forwardA firm uses the production technology q = (x{ + xP, where a is a constant and 0 # p< 1. (a) Derive the firm's cost function, c(w1,W2,9). (b) Derive the firm's profit, 7(p,w1,w2). (c) Derive the elasticity of scale for this production technology. (d) What restrictions must a satisfy to ensure that the profit function is well-defined? Explain.arrow_forward
- Let the demand function for a product be given by the function D (q) 1.45 q + 290, where q is the quantity of items in demand and D (q) is the price per item, in dollars, that can be charged when q units are sold. Suppose fixed costs of production for this item are $ 5,000 and variable costs are $ 6 per item produced. If 138 items are produced and sold, find the following: A) The total revenue from selling 138 items (to the nearest penny). Answer: $ B) The total costs to produce 138 items (to the nearest penny). Answer: $ C) The total profits to produce 138 items (to the nearest penny. Profits may or may not be negative.). Answer: $ =arrow_forwardI A consumer's Marshallian demand for y is given by gy(Pa, Py, I) = —— 3. The price of Py = good y is py 4 and the consumer's income is I = 15. What is ey,py, the consumer's own price elasticity of demand for y? (a) −15 (b) -5 (c) -5/12 (d) −1 (e) -15/16arrow_forward1. The marginal price ?? ?? at ? units of demand per week is proportional to the price p. There is no weekly demand at a price of $1000 per unit, that is ?(0) = 1000. There is a weekly demand of 10 units at price of $367.88 per unit, ?(10) = 367.88. (A) Find the price-demand equation. (B) At a demand of 20 units per week, what is the price? Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.arrow_forward
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