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1、Chapter 11Pricing with Market Power2005 Pearson Education, Inc.本章论题本章论题l攫取消费者剩余l价格歧视l跨期价格歧视和高峰定价l两部收费制l捆绑销售l广告2有市场势力的定价优秀2005 Pearson Education, Inc.前言前言l没有市场势力（完全竞争）的价格是由市场供给和需求决定的l单个生产者必须能够预测市场，然后专注于管理生产（成本）以使利润达到最大化3有市场势力的定价优秀2005 Pearson Education, Inc.前言前言l有市场势力的定价（不完全竞争市场）需要厂商懂得更多的需求的特点4有市场势力的
2、定价优秀2005 Pearson Education, Inc.攫取消费者剩余攫取消费者剩余l所有的定价策略都是攫取消费者剩余并将其转移给生产者的手段l在利润最大化点价格为P*、产量为Q*m但某些消费者愿意支付的价格可能高于P* l提高价格将失去一些消费者，导致利润降低l降低价格能争取一些消费者，但会降低利润5有市场势力的定价优秀2005 Pearson Education, Inc.攫取消费者剩余攫取消费者剩余Quantity$/QDMRPmaxMCPCThe firm would like to charge higher price to those consumers willing
3、to pay it - AP*Q*AP1Firm would also like to sell to those in area B but without lowering price to all consumersBP2Both ways will allow the firm to capture more consumer surplus6有市场势力的定价优秀2005 Pearson Education, Inc.攫取消费者剩余攫取消费者剩余l价格歧视（价格歧视（Price discrimination） 是对同一商品向不同的消费者索取不同的价格m这要求能鉴别不同的消费者，并让他们
4、支付不同的价格l其他一些定价技术也能让企业获得更多的消费者剩余m两部收费制和捆绑消费7有市场势力的定价优秀2005 Pearson Education, Inc.价格歧视价格歧视l一级价格歧视m向每个消费者索取不同价格：消费者愿意支付的最大价格或保留价格l企业如何获利？m企业生产Q* MR = MCm企业的可变利润忽略固定成本的利润lMR和MC之间的区域m消费者剩余是需求曲线与价格之间的区域8有市场势力的定价优秀2005 Pearson Education, Inc.价格歧视价格歧视l如果企业能够实行完全价格歧视，它索取的价格正好是消费者愿意支付的价格mMR曲线不再是产量决策的一部分m增加的收
5、益就是每单位产品销售的价格需求曲线m生产并销售一单位产品的利润现在是需求曲线和边际成本之差9有市场势力的定价优秀2005 Pearson Education, Inc.P*Q*Without price discrimination,output is Q* and price is P*.Variable profit is the area between the MC & MR (yellow).一级价格歧视一级价格歧视Quantity$/QWith perfect discrimination, firm will choose to produce Q* increasing var
6、iable profits to include purple area.Consumer surplus is the area above P* and between0 and Q* output.PmaxD = ARMRMCQ*PC10有市场势力的定价优秀2005 Pearson Education, Inc.一级价格歧视一级价格歧视l实际上，完全价格歧视几乎是不可能的1.向每个消费者索取不同的价格是不可行的（除非消费者人数极少）2.企业通常不知道每个消费者的保留价格l但企业可以不完全歧视m可以根据对保留价格的估计索取一些不同的价格11有市场势力的定价优秀2005 Pearson Ed
7、ucation, Inc.一级价格歧视一级价格歧视l当企业能够在某种程度上分割市场，并索取不同的价格时，就出现了不完全的价格歧视。例如：m律师、医生、会计师m企业销售人员 （15% 的利润空间）m大学（不同的财务援助）12有市场势力的定价优秀2005 Pearson Education, Inc.实践中的一级价格歧视实践中的一级价格歧视QuantityDMRMC$/QP2P3P1P5P6Six prices exist resultingin higher profits. With a single priceP*4, there are fewer consumers.P*4Q*Discr
8、iminating up to P6 (competitive price) will increase profits.13有市场势力的定价优秀2005 Pearson Education, Inc.二级价格歧视二级价格歧视l在一些市场，消费者在一段时间内要购买许多单位某种商品m但随着消费量的增加，该商品的需求下降l电力、水、取暖燃料m企业可以实施二级价格歧视（二级价格歧视（second-degree price discrimination）l是对同一种商品或服务不同购买量索取不同的价格14有市场势力的定价优秀2005 Pearson Education, Inc.二级价格歧视二级价格歧视
9、l二级价格歧视的一个例子是数量折扣m例如：大包装的便宜l分段定价（Block pricing，阶梯式定价） 是对商品的不同数量“区段”制定不同的价格m例如电力、自来水15有市场势力的定价优秀2005 Pearson Education, Inc.二级价格歧视二级价格歧视$/QWithout discrimination: P = P0 and Q = Q0. With second-degree discrimination there are three blocks with prices P1, P2, & P3.QuantityDMRMCACP0Q0Q1P11st BlockP2Q22
10、nd BlockP3Q33rd BlockDifferent prices are charged for different quantities or “blocks” of same good.16有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l是将具有不同需求曲线的消费者分为两组或更多组，并对每组索取不同的价格。1.将市场分为两组2.每组有不同的需求函数17有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l三级价格歧视是最常见的价格歧视类型m例如：打折机票、优惠与不优惠的烈酒、对学
11、生和老人的折扣、冷冻与罐头食品18有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l可以根据消费者的一些特征来将其分组l最典型的，是根据需求弹性m大学生和老人因为收入低，通常支付意愿比其他人低m而这些人可以很容易地通过身份证件区分出来19有市场势力的定价优秀2005 Pearson Education, Inc.创造消费者群体创造消费者群体l如果三级价格可行，那企业又如何决定每一组到底定价多少呢？1.总产量必须在各组之间进行分配，以使每一组的MR相等2.必须选择总产量，使每一组的MR与生产的MC相等20有市场势力的定价优秀2005 Pears
12、on Education, Inc.三级价格歧视三级价格歧视l代数表示为：mP1: 第一组的价格mP2: 第二组的价格mC(QT) = 生产总成本mQT = Q1 + Q2m利润： = P1Q1 + P2Q2 - C(QT)21有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l企业必须把产量提高到每一组销售的最后一单位产品的边际利润为零l令第1组的边际利润=022有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l对第一组的消费者，满足：mMR1= MCl同样，对第二组，满足：mMR2 = M
13、Cl合并两个结论，得到：mMR1 = MR2 = MC23有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l确定相对价格m考虑每一组应该索取的相对价格，并将它们与需求的价格弹性联系起来，要容易一些24有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l确定相对价格m令MR1 和MR2 相等可以得到下面的价格必须满足的关系式m对需求弹性降低的消费者，应该索取较高的价格25有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视l例子mE1 = -2 a
14、nd E2 = -4mP1 应该是P2的1.5倍26有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视QuantityD2 = AR2MR2$/QD1 = AR1MR1Consumers are divided intotwo groups, with separatedemand curves for each group.MRTMRT = MR1 + MR227有市场势力的定价优秀2005 Pearson Education, Inc.三级价格歧视三级价格歧视QuantityD2 = AR2MR2$/QD1 = AR1MR1MRTMCQ2P
15、2QT: MC = MRTGroup 1: more inelasticGroup 2: more elasticMR1 = MR2 = MCTQT control MCQ1P1MC = MR1 at Q1 and P1QTMCT28有市场势力的定价优秀2005 Pearson Education, Inc.不向较小的市场销售不向较小的市场销售l即使三级价格歧视是可能的，但有时同时向两组销售是不可行的m某一组的需求非常低，价格要降得很低才能在该组销售，但过低的价格可能导致企业无利可图29有市场势力的定价优秀2005 Pearson Education, Inc.不向较小的市场销售不向较小的市场
16、销售QuantityD2MR2$/QMCD1MR1Group one, with demand D1, is not willing to pay enoughfor the good to make price discrimination profitable.Q*P*MC=MR1=MR230有市场势力的定价优秀2005 Pearson Education, Inc.优惠券和返还的经济学优惠券和返还的经济学l价格弹性更大的消费者，在购买产品时比更常使用优惠券和返还政策l优惠券和返还政策可以使企业实施价格歧视31有市场势力的定价优秀2005 Pearson Education, Inc.优惠
17、券和返还的经济学优惠券和返还的经济学l大约20 30%的消费者会使用优惠券或返还l这使企业获得那些需求弹性较高的消费者来购买商品。否则他们是不会购买的l表11.1说明了使用与不使用优惠券和返还的消费者的需求弹性的差异32有市场势力的定价优秀2005 Pearson Education, Inc.优惠券使用者与不使用者的需求价优惠券使用者与不使用者的需求价格弹性格弹性33有市场势力的定价优秀2005 Pearson Education, Inc.机票定价机票定价l需求弹性不同意味着一些顾客愿意支付更高的机票款l商务旅行者几乎没什么选择，他们的需求较为缺乏弹性l休闲的旅客和家庭对价格更敏感，因此更
18、有选择性34有市场势力的定价优秀2005 Pearson Education, Inc.航空旅行的需求弹性航空旅行的需求弹性35有市场势力的定价优秀2005 Pearson Education, Inc.机票定价机票定价l每条航线都有多种票价l通过对机票设定不同的限制，将市场进行细分m必须在周六住一晚m提前21天、提前14天m基本限制只能在特定的日期内改签m最贵没有限制头等舱36有市场势力的定价优秀2005 Pearson Education, Inc.其他类型的价格歧视其他类型的价格歧视l跨期价格歧视m是将需求函数不同的消费者划分到不同的市场，并在不同的时点索取不同价格的行为。m首发产品，其
19、需求是缺乏弹性的l精装书与平装书l首映的电影l新技术产品37有市场势力的定价优秀2005 Pearson Education, Inc.跨期价格歧视跨期价格歧视l一旦市场已经产生了最大利润，企业再降低价格吸引更富有弹性的需求l我们可以用两组不同的消费者的图示来说明一组愿意现在买、一组愿意等38有市场势力的定价优秀2005 Pearson Education, Inc.跨期价格歧视跨期价格歧视QuantityAC = MC$/QOver time, demand becomesmore elastic and price is reduced to appeal to the mass mark
20、et.MR2D2 = AR2Q2P2D1 = AR1MR1P1Q1Initially, demand is lesselastic, resulting in a price of P1 .39有市场势力的定价优秀2005 Pearson Education, Inc.其他类型的价格歧视其他类型的价格歧视l高峰定价m是在因能力限制导致边际成本更高的高峰期索取高价的定价策略。l一些产品的需求在某些特定时间会出现高峰m交通高峰期的道路和隧道m夏天傍晚的电力m周末的滑雪胜地40有市场势力的定价优秀2005 Pearson Education, Inc.高峰价格高峰价格l高峰定价的目标是通过向消费者索
21、取更接近边际成本的价格以提高效率m因MC上升，MR必须上升，这意味着价格上调m因为价格更接近MC，所以总剩余更大m高峰定价能提高效率41有市场势力的定价优秀2005 Pearson Education, Inc.高峰价格高峰价格l三级价格歧视下，所有市场的MR是相等的l高峰定价时并非如此，因为两个市场间并无相互影响m每个市场的价格和销量是独立的m例如：电力、影剧院42有市场势力的定价优秀2005 Pearson Education, Inc.MR1D1 = AR1MC高峰价格高峰价格P1Q1Quantity$/QMR2D2 = AR2Q2P2MR=MC for each group. Grou
22、p 1 has higher demand during peak times.43有市场势力的定价优秀2005 Pearson Education, Inc.如何给畅销小说定价如何给畅销小说定价l如何给首次发行的精装书定价？m精装书和平装书是出版商进行价格歧视的手段m出版商如何给精装书和平装书定价呢？m他们如何决定合适发行平装书呢？44有市场势力的定价优秀2005 Pearson Education, Inc.如何给畅销小说定价如何给畅销小说定价l出版商必须将消费者分为两组：m愿意购买昂贵精装书的m愿意等待平装书出版的l这就需要确定精装书发行后，何时再出平装书？m出版商一般等12至18个月4
23、5有市场势力的定价优秀2005 Pearson Education, Inc.如何给畅销小说定价如何给畅销小说定价l出版商必须用过去同类书的出版情况来给新书定价l所以很难确定新新书的需求l因此，大多数新书的定价都差不多l平装书的需求更富有弹性，所以其价格低些46有市场势力的定价优秀2005 Pearson Education, Inc.两部收费制两部收费制lForm of pricing in which consumers are charged both an entry and usage feemEx: amusement park, golf course, telephone se
24、rvicelA fee is charged upfront for right to use/buy the productlAn additional fee is charged for each unit the consumer wishes to consumemPay a fee to play golf and then pay another fee for each game you play47有市场势力的定价优秀2005 Pearson Education, Inc.两部收费制两部收费制lPricing decision is setting the entry fee
25、 (T) and the usage fee (P)lChoosing the trade-off between free-entry and high-use prices or high-entry and zero-use priceslSingle ConsumermAssume firm knows consumer demandmFirm wants to capture as much consumer surplus as possible48有市场势力的定价优秀2005 Pearson Education, Inc.Usage price P* is set equal t
26、o MC. Entry price T* is equal to the entire consumer surplus.Firm captures all consumer surplus as profit.T*只有一个消费者的两部收费只有一个消费者的两部收费Quantity$/QMCP*D49有市场势力的定价优秀2005 Pearson Education, Inc.两个消费者的两部收费两个消费者的两部收费lTwo consumers, but firm can only set one entry fee and one usage feelWill no longer set usa
27、ge fee equal to MCmCould make entry fee no larger than CS of consumer with smallest demandlFirm should set usage fee above MClSet entry fee equal to remaining consumer surplus of consumer with smaller demandlFirm needs to know demand curves50有市场势力的定价优秀2005 Pearson Education, Inc.D2 = consumer 2D1 =
28、consumer 1Q1Q2The price, P*, will be greater than MC. Set T* at the surplus value of D2.两个消费者的两部收费两个消费者的两部收费Quantity$/QMCBCAT*51有市场势力的定价优秀2005 Pearson Education, Inc.有许多消费者的两部收费有许多消费者的两部收费lNo exact way to determine P* and T*lMust consider the trade-off between the entry fee T* and the use fee P*mLow
29、 entry fee: more entrants and more profit from sales of itemmAs entry fee becomes smaller, number of entrants is larger and profit from entry fee will fall52有市场势力的定价优秀2005 Pearson Education, Inc.有许多消费者的两部收费有许多消费者的两部收费lTo find optimum combination, choose several combinations of P and TlFind combinati
30、on that maximizes profitlFirms profit is divided into two componentsmEach is a function of entry fee, T assuming a fixed sales price, P53有市场势力的定价优秀2005 Pearson Education, Inc.有许多消费者的两部收费有许多消费者的两部收费TProfit:entry fee:salesT*Total profit is the sum of the profit from the entry fee andthe profit from sa
31、les. Both depend on T.54有市场势力的定价优秀2005 Pearson Education, Inc.两部收费两部收费lRule of ThumbmSimilar demand: Choose P close to MC and high TmDissimilar demand: Choose high P and low TmEx: Disneyland in California and Disney world in Florida have a strategy of high entry fee and charge nothing for ride55有市场势
32、力的定价优秀2005 Pearson Education, Inc.变形的两部收费制变形的两部收费制lEntry price (T) entitles the buyer to a certain number of free unitsmGillette razors sold with several bladesmAmusement park admission comes with some tokensmOn-line fees with free timelCan set higher entry fee without losing many consumersmHigher e
33、ntry fee captures either surplus without driving them out of the marketmCaptures more surplus of large customers56有市场势力的定价优秀2005 Pearson Education, Inc.宝丽来相机宝丽来相机lIn 1971, Polaroid introduced the SX-70 cameralPolaroid was able to use two-part tariff for pricing of camera/filmmAllowed them greater pr
34、ofits than would have been possible if camera used ordinary filmlPolaroid had a monopoly on cameras and film57有市场势力的定价优秀2005 Pearson Education, Inc.宝丽来相机宝丽来相机lBuying camera is like entry feelUnlike an amusement park, for example, the marginal cost of providing an additional camera is significantly g
35、reater than zerolIt was necessary for Polaroid to have monopoly mIf ordinary film could be used, the price of film would be close to MCmPolaroid needed to gain most of its profits from sale of film58有市场势力的定价优秀2005 Pearson Education, Inc.宝丽来相机宝丽来相机lAnalytical framework:59有市场势力的定价优秀2005 Pearson Educat
36、ion, Inc.宝丽来相机宝丽来相机lIn the end, the film prices were significantly above marginal costlThere was considerable heterogeneity of consumer demands60有市场势力的定价优秀2005 Pearson Education, Inc.移动电话费率移动电话费率lIn most areas in US, consumers can choose cellular providers: Verizon, Cingular, AT&T and SprintlMarket
37、power exists because consumers face switching costsmWhen they sign up with a firm, they must sign a contract with high costs to breaklPlans often exist of monthly cost plus fee extra minuteslCompanies can combine third-degree price discrimination with two-part tariff61有市场势力的定价优秀2005 Pearson Educatio
38、n, Inc.移动电话费率移动电话费率62有市场势力的定价优秀2005 Pearson Education, Inc.移动电话费率移动电话费率63有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售捆绑销售lBundling is packaging two or more products to gain a pricing advantagelConditions necessary for bundlingmHeterogeneous customersmPrice discrimination is not possiblemDemands must b
39、e negatively correlated64有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售捆绑销售lWhen film company leased “Gone with the Wind,” it required theaters to also lease “Getting Gerties Garter”lWhy would a company do this?mCompany must be able to increase revenuemWe can see the reservation prices for each theater
40、and movie65有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售捆绑销售lRenting the movies separately would result in each theater paying the lowest reservation price for each movie:mMaximum price Wind = $10,000mMaximum price Gertie = $3,000lTotal Revenue = $26,000Gone with the Wind Getting Gerties GarterTheater
41、A$12,000$3,000Theater B$10,000$4,00066有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售捆绑销售lIf the movies are bundled:mTheater A will pay $15,000 for bothmTheater B will pay $14,000 for bothlIf each were charged the lower of the two prices, total revenue will be $28,000lThe movie company will gain more rev
42、enue ($2000) by bundling the movie67有市场势力的定价优秀2005 Pearson Education, Inc.相对评价相对评价lMore profitable to bundle because relative valuation of two films are reversedlDemands are negatively correlatedmA pays more for Wind ($12,000) than B ($10,000)mB pays more for Gertie ($4,000) than A ($3,000)68有市场势力的定
43、价优秀2005 Pearson Education, Inc.相对评价相对评价lIf the demands were positively correlated (Theater A would pay more for both films as shown) bundling would not result in an increase in revenueGone with the Wind Getting Gerties GarterTheater A$12,000$4,000Theater B$10,000$3,00069有市场势力的定价优秀2005 Pearson Educat
44、ion, Inc.捆绑销售捆绑销售lIf the movies are bundled:mTheater A will pay $16,000 for bothmTheater B will pay $13,000 for bothlIf each were charged the lower of the two prices, total revenue will be $26,000, the same as by selling the films separately70有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售捆绑销售lBundling S
45、cenario: Two different goods and many consumersmMany consumers with different reservation price combinations for two goodsmCan show graphically the preferences of consumers in terms of reservation prices and consumption decisions given prices chargedmr1 is reservation price of consumer for good 1mr2
46、 is reservation price of consumer for good 271有市场势力的定价优秀2005 Pearson Education, Inc.保留价格保留价格r2r1 $6$3.25Consumer A$10$10Consumer C$8.25$3.25Consumer BFor example, Consumer A is willing to pay up to $3.25 for good 1 and up to $6 for good 2.72有市场势力的定价优秀2005 Pearson Education, Inc.产品分开销售时的消费决策产品分开销售时的消
47、费决策r2r1P2IIConsumers buyonly Good 2P1Consumers fall intofour categories basedon their reservationprice.IConsumers buyboth goodsIIIConsumers buyneither goodIVConsumers buyonly Good 173有市场势力的定价优秀2005 Pearson Education, Inc.产品捆绑销售时的消费决策产品捆绑销售时的消费决策r2r1Consumers buy the bundlewhen r1 + r2 PB (PB = bundl
48、e price).PB = r1 + r2 or r2 = PB - r1Region 1: r PBRegion 2: r PB)IIConsumers donot buy bundle(r PB)74有市场势力的定价优秀2005 Pearson Education, Inc.产品捆绑销售时的消费决策产品捆绑销售时的消费决策lThe effectiveness of bundling depends upon the degree of negative correlation between the two demandsmBest when consumers who have high
49、 reservation price for Good 1 have a low reservation price for Good 2 and vice versamCan see graphically looking at positively and negatively correlated prices75有市场势力的定价优秀2005 Pearson Education, Inc.保留价格保留价格r2r1P2P1If the demands are perfectly positivelycorrelated, the firmwill not gain by bundling.
50、It would earn the sameprofit by selling the goods separately.76有市场势力的定价优秀2005 Pearson Education, Inc.保留价格保留价格r2r1If the demands are perfectly negatively correlated, bundling is the ideal strategy all theconsumer surplus can be extracted and a higherprofit results.77有市场势力的定价优秀2005 Pearson Education,
51、Inc.电影的例子电影的例子r2r1Bundling pays due to negative correlation.(Wind)(Gertie)5,00014,00010,0005,00010,00012,0004,0003,000BA78有市场势力的定价优秀2005 Pearson Education, Inc.混合捆绑销售混合捆绑销售lPractice of selling two or more goods both as a package and individuallylThis differs from pure bundling when products are sold
52、 only as a packagelMixed bundling is good strategy whenmDemands are somewhat negatively correlatedmMarginal production costs are significant79有市场势力的定价优秀2005 Pearson Education, Inc.混合捆绑销售举例混合捆绑销售举例lDemands are perfectly negatively correlated but significant marginal costslFour customers under three d
53、ifferent strategiesmSelling good separately, P1 = $50, P2 = $90mSelling goods only as a bundle, PB = $100mMixed bundling: lSold individually with P1 = P2 = $89.95lSold as a bundle with PB = $10080有市场势力的定价优秀2005 Pearson Education, Inc.混合捆绑销售举例混合捆绑销售举例lWe can see the effects under different scenarios
54、in the following table:81有市场势力的定价优秀2005 Pearson Education, Inc.混合捆绑与纯捆绑混合捆绑与纯捆绑r1102030405060708090100r2102030405060708090100C2 = MC2C2 = 30For each good, marginal production cost exceeds reservation price of one consumer.A and D will buy individuallyB and C will buy bundleABDCC1 = MC1C1 = 20With po
55、sitive marginalcosts, mixed bundling may be more profitablethan pure bundling.82有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售捆绑销售lIf MC is zero, mixed bundling can still be more profitable if consumer demands are not perfectly negatively correlatedlExample:mReservation prices for consumers B and C are
56、highermCompare the same three strategiesmMixed bundling is the more profitable option since everyone will end up buying83有市场势力的定价优秀2005 Pearson Education, Inc.零边际成本的混合捆绑销售零边际成本的混合捆绑销售A and D purchase individually.B and C purchase bundled.Profits are highest with mixed bundling.r1204060801001201090r2
57、204060801001201090CADB84有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售实践捆绑销售实践lCar purchasingmBundles of options such as electric locks with air conditioninglVacation TravelmBundling hotel with air farelCable televisionmPremium channels bundled together85有市场势力的定价优秀2005 Pearson Education, Inc.捆绑销售捆绑销售lMi
58、xed Bundling in PracticemUse of market surveys to determine reservation pricesmDesign a pricing strategy from the survey resultslCan show graphically using information collected from consumersmConsumers are separated into four regionsmCan change prices to find max profits86有市场势力的定价优秀2005 Pearson Edu
59、cation, Inc.混合捆绑销售实践混合捆绑销售实践r2r1The firm can first choose a pricefor the bundle and then try individualprices P1 and P2 until total profitis roughly maximized.P2PBPBP187有市场势力的定价优秀2005 Pearson Education, Inc.一家餐馆的混合捆绑销售一家餐馆的混合捆绑销售88有市场势力的定价优秀2005 Pearson Education, Inc.搭售搭售lThe practice of requiring
60、a customer to purchase one good in order to purchase anothermXerox machines and the papermIBM mainframe and computer cardslAllows firm to meter demand and practice price discrimination more effectively89有市场势力的定价优秀2005 Pearson Education, Inc.搭售搭售lAllows the seller to meter the customer and use a two-
61、part tariff to discriminate against the heavy usermMcDonaldslAllows them to protect their brand namemMicrosoftlUses to extend market power90有市场势力的定价优秀2005 Pearson Education, Inc.广告广告lFirms with market power have to decide how much to advertiselWe can show how firms choose profit maximizing advertisi
62、ngmDecision depends on characteristics of demand for firms product91有市场势力的定价优秀2005 Pearson Education, Inc.广告广告lAssumptionsmFirm sets only one price for productmFirm knows quantity demanded depends on price and advertising expenditure dollars, AQ(P,A)mWe can show the firms cost curves, revenue curves
63、, and profits under advertising and no advertising92有市场势力的定价优秀2005 Pearson Education, Inc.AR and MR are averageand marginal revenue whenthe firm doesnt advertise.If the firm advertises, its average and marginalrevenue curves shift tothe right - average costsrise, but marginal costdoes not.广告的效果广告的效果
64、Quantity$/QQ1P1ACQ0P0ARMRACMRMCAR93有市场势力的定价优秀2005 Pearson Education, Inc.广告广告lChoosing Price and Advertising Expenditure94有市场势力的定价优秀2005 Pearson Education, Inc.广告广告lA Rule of Thumb for Advertising95有市场势力的定价优秀2005 Pearson Education, Inc.广告广告lA Rule of Thumb for Advertising96有市场势力的定价优秀2005 Pearson Edu
65、cation, Inc.广告广告lA Rule of Thumb for AdvertisingmTo maximize profit, the firms advertising-to-sales ratio should be equal to minus the ratio of the advertising and price elasticities of demand97有市场势力的定价优秀2005 Pearson Education, Inc.广告广告lAn ExamplemR(Q) = $1 million/yrm$10,000 budget for A (advertisi
66、ng-1% of revenues)mEA = .2 (increase budget $20,000, sales increase by 20%)mEP = -4 (markup price over MC is substantial)98有市场势力的定价优秀2005 Pearson Education, Inc.广告广告lThe firm in our example should increase advertisingmA/PQ = -(2/-.4) = 5%mIncrease budget to $50,00099有市场势力的定价优秀2005 Pearson Education,
67、 Inc.广告实践广告实践lEstimate the level of advertising for each of the firmsmSupermarketslEP = -10; EA = 0.1 to 0.3mConvenience storeslEP = -5; EA very smallmDesigner jeanslEP = -3 to 4; EA = 0.3 to 1mLaundry detergentslEP = -3 to 4; EA very large100有市场势力的定价优秀2005 Pearson Education, Inc.作业作业lP412第5题lP413第10题101有市场势力的定价优秀
