2. Consider a market that consists of 10 consumers, i = 1,..., 10, each with the following quasi- linear utility function Uj = M¡ + 48 Vx; over the numeraire good m (whose price is normalized to one) and x; units of good l. There are also 40 perfectly competitive firms, j = 1, ..., 40, that produce good l. Each firm j produces q; units of good l, which are sold at price p, using c; (q;) = q³/3 units of the numeraire good. Consumers are price takers, are endowed with wi units of the numeraire. (a) Derive the individual demand function, x; (p), and aggregate demand function, x (p), of good l. (b) Derive the individual firm supply function, q; (p), and aggregate supply function, q (p), of good l. (c) Find the equilibrium price p* and quantity q* of good l. What is each firm's profit?
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- Suppose the following data represent the market demand for catfish: Price (per unit) $20 19 18 17 16 15 14 13 12 11Quantity demanded (units per day) 12 13 14 15 16 17 18 19 20 21Total revenue — — — — — — — — — —Marginal revenue — — — — — — — — — —Compute total and marginal revenue to complete the table above. At what rate of output is total revenue maximized? At what rate of output is MR less than price? At what rate of output does MR first become negative? Graph the demand and MR curves.Suppose you are the economic adviser ofa company producing three brands of mobile pnones;Nokia 10, Samsung X and iPhone 7. Suppose further that, your company currently sells 120units of iPhone Z at e800 per unit, 150 units of Samsung X at e800 per unit and 200 units ofNokia 10 at e100 per unit, but in a bid to maximize profit, the company's managing directorproposes an increase in price of Samsung X from e800 to e1000 per unit for which quantitydemanded is anticipated to fall from 150 to 100 units; iPhone Z from e800 to e 1200 per unitfor which quantity demanded is anticipated to fall from 120 to 100 units; and Nokia 10 from100 to 200 per unit for which quantity demanded is expected to fall from 200 to 100 unitsUsing the mid-polint formula. compute the price elasticity of demand for each brand.From your answer in i, what is the type and economic interpretatiom of each brand'sii.value of elasticity.Consider a market where the inverse demand function is P = 400 – 20Q, where Q is the aggregate output. Assume there are three firms which compete à la Bertrand. a)What is the equilibrium price and the corresponding aggregate output if all firms have a constant marginal cost equal to 40? b)What is the equilibrium price and the corresponding aggregate output if one firm has a constant marginal cost equal to 40 and the other firms have a constant marginal cost equal to 100? c)What is the equilibrium price and the corresponding aggregate output if one firm has a constant marginal cost equal to 40 and the other firms have a constant marginal cost equal to 260?
- Jack is the owner of the only local bar in a small town.He sells whiskey in one-ounce glasses. For simplicity, let’s assume it doesn’t cost Jack anything to run his business. There are two customers, Adam and Burt who are twin brothers. Adam’s demand function is yA = 16 – 2p, and Burt’s demand function is yB = 8 – p (price is measured in dollars and quantity is measured by ounces). Jack knows their demand functions, but the problem is that he cannot tell them apart since they look exactly the same to him. To increase his profits, Jack offers the following two options that his customers can choose from: (1) You can pay $T1 up front and drink as much as you want; or (2) Pay $T2 up front and the price per ounce of whiskey will be $p. 1.a If p = 4, what is the maximal T2 that Jack can charge so that Burt is willing to come to the bar? 1.b What is the maximal T1 that Jack can charge so that Adam will choose the first pricing option?Jack is the owner of the only local bar in a small town.He sells whiskey in one-ounce glasses. For simplicity, let’s assume it doesn’t cost Jack anything to run his business. There are two customers, Adam and Burt who are twin brothers. Adam’s demand function is yA = 16 – 2p, and Burt’s demand function is yB = 8 – p (price is measured in dollars and quantity is measured by ounces). Jack knows their demand functions, but the problem is that he cannot tell them apart since they look exactly the same to him. To increase his profits, Jack offers the following two options that his customers can choose from: (1) You can pay $T1 up front and drink as much as you want; or (2) Pay $T2 up front and the price per ounce of whiskey will be $p. 1.a If p = 4, what is the maximal T2 that Jack can charge so that Burt is willing to come to the bar? 1.b What is the maximal T1 that Jack can charge so that Adam will choose the first pricing option? Answer Key that was given. I seems not to understand…b) The manager could have charged Joe a single price per round. How much extra profit does theclub earn by using two-part pricing?c) Joe marries Susan, who is also an enthusiastic golfer. Susan wants to join the Northlands Club.The manager believes that Susan’s inverse demand function is ? = 100 − 2?. The manager has apolicy of offering each member of a married couple the same two-part prices, so he offers themboth a new deal. What two-part pricing deal maximizes the club’s profit?d) Will this new pricing have a higher or lower access fee and per-unit fee than in Joe’s originaldeal? How much more would the club make if it charged Susan and Joe separate prices?
- a) A Dutch Brewing company produces Heineken beer, assume further that the marginal cost of producing a six pack of Heineken Beer is $6. Dutch Brewing company sells Heineken in two different Markets namely Africa and Europe whose inverse demand functions are ?? = 24 − ??and ?? = 12 − 0.5?? respectively.Requireda) Calculate the profit maximising Price-Quantity combinations in these two markets Africa and Europe.b) With this Pricing strategy calculate the profit. c) If competitive output (P=MC=6) for Africa is 18 and Europe is 12, Compute the deadweight losses in the two markets. d) Clearly illustrates that the third degree price discrimination is welfare improving over a single price policy. e) Suppose these markets were no longer separated. How would you construct the market demand in this situation? Would the monopolist’s profit-maximizing single price still be 15?The market for paperback detective novels is perfectly competitive. Suppose we have identical book readers, and each individual book reader's demand for paperback novels is given by P=95-2Q. We have 4 book readers in the market. What is the minimum Marginal Willingness to Pay for the book readers buying books when 34 books are bought in the market?You make delicious cupcakes that you mail to customers across the country. Your cupcakes are so unique and special that you have a great deal of pricing power. Your customers have identical demand curves for your cupcakes, and a representative customer’s demand curve is shown below. (It’s not needed, but the demand curve equation is P=5-0.2Q or Q=25-5P.) Suppose your MC=$1/cupcake, whether you produce lots or just a few cupcakes. To keep things simple, suppose there are no fixed costs, so FC=0. a) Acting as a monopolist, show the standard pricing analysis on the graph below that identifies your profit-mamximing price and quantity for your representative customer. Shade areas representing your profit and CS. (PS and profit are the same here since FC=0). b) Suppose you offer a quantity discount: first 10 cupcakes at $3 each and any cupcakes over 10 are offered at a discounted price. What discount price will maximize your profit? Show this quantity discount arrangement on your graph…
- Suppose that BMW can produce any quantity of cars at a constant marginal cost equal to$50 and a fixed cost of $22,500. You are asked to advise the CEO as to what prices andquantities BMW should set for sales in Europe and in the United States to maximize its profits.The demand for BMWs in each market is given by:QE = 8,000 – 80PE and QU = 4,000 – 20 PU,where the subscript E denotes Europe, the subscript U denotes the United States. Assume thatBMW can restrict U.S. sales to authorized BMW dealers only. Support your answersgraphically as well.a. If, by an international agreement between Europe and United States, BMW wereforced to charge the same price in each market, what would be the quantity sold in eachmarket, the equilibrium price, and the company’s profit?b. Suppose now that Europe and United States signed a new trade package under whichBMW now can charge different prices across the two markets. What quantity of BMWsshould the firm sell in each market, and what should the price be…Consider a “market” with differently substitute goods. Firms1 and 2 produce homogeneous goods, but firm 3 produces a differentiated (imperfectlysubstitute) good. Thus, the inverse demand functions for each of the firms are:P1 = 1 − 2q1 − 2q2− .5q3P2 = 1 − 2q2 − 2q1− .5q3P3 = 1 − 2q3 − .5q1− .5q2All firms have zero costs. They compete in quantities. We want to study this “market” todefine a relevant market as traditionally done by antitrust agencies, and to that end weare going to perform the SSNIP test. The question is whether the product offered by firm3 is in the same “market” as that offered by firms 1 and 2. Thus, we need to know if a“hypothetical” monopoly (or cartel) producing goods 1 and 2 would increase the price bya 5-10% at least. Thus,(a) let us first compute the prices in this “market” as it is. (You can use symmetrybetween firms 1 and 2, so that you expect q1 = q2, to speed up the computationof equilibrium outputs and prices.)(b) Now consider a hypothetical monopoly that…A7 You are the manager of a bakery that produces and packages gourmet muffins, and you currently sell muffins in packages of 3. A consultant’s report has estimated the (inverse) demand of a typical consumer to: P = 3 − 0.5Q If your cost of producing bran muffins is C(Q) = Q: (a) What is the marginal cost of muffins? (b) Draw the demand and marginal cost on a diagram. (c) Determine the optimal number of muffins to sell in a single package. (d) What price should the firm charge for each park?