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Quantitative Techniques for Competition and Antitrust Analysis 2 ppt

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_1 docx

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_1 docx

... R 2 .p1/ D c =2 C .a 2 C b 21 p1/=2b 22 ;(iii) c =2 C a 2 =2b 22 ;(iv)c =2 Ca1=2b11.or, more concisely,aiC bijpjD .2pi c/bii:Rearranging gives the best response function for the ... brand’s image.Suppose we face a market with two differentiated goods and the following lineardemand system:Demand for good 1: q1D a1 b11p1C b 12 p 2 ;Demand for good 2: q 2 D a 2  ... firms 1 and 2 respectively areR1.q 2 /W q1D1 2 .1  q 2 / and R 2 .q1/W q 2 D1 2 .1  q1/:Solving these two linear equations describes the Cournot–Nash equilibriumq1D1 2 .1  q 2 /...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_2 pptx

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_2 pptx

... 0.3 72 0 .24 3 0.150 —(0.041) (0 .23 1) (0.034) (0.018) —log.PMolson/ 0.3 72 0.804 0.183 0.130 —(0 .23 1) (0.031) (0. 022 ) (0.0 12) —log.PLabatts/ 0 .24 3 0.183 0.588 0. 028 —(0.034) (0. 022 ) (0.044) ... inFisher (1980, 1986) and Finkelstein and Levenbach (1983). For more general econometrics texts, see, for example, Greene (20 07) and Wooldridge (20 07). And for an advanced and more technical but ... matrixexpression 2 66664y1y 2 :::yn377775D 2 666641x11x 21 x311x 12 x 22 x 32 ::::::::::::1x1nx2nx3n377775 2 6664ab1b 2 b337775C 2 66664e1e 2 :::en377775D 2 66664x01x0 2 :::x0n377775ˇ C 2 66664e1e 2 :::en377775;66...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_3 pptx

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_3 pptx

... what can be achieved in an investigation) and reasonable empiricalstrategies for compensating for missing information and (2) there is variation in 126 3. Estimation of Cost Functionstiproduct ... 1 in magnitude. 26 For a further discussion of the formalities of identification, see the annex to this chapter (section 2. 5). 27 A discussion of identification of supply and demand in structural ... experience40 For a discussion of natural experiments in economics, see Meyer (1995).41 For an application in the supply and demand context, see also Angrist et al. (20 00). 2. 2. Identification...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_5 pdf

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_5 pdf

... aspNE1pNE 2 DÂ4b11b 22 4b11b 22  b 12 b 21 ÃÂc1 2 Ca12b11Cb 12 4b11Âc 2 Ca 2 b 22 ÃÃÄÂ4b11b 22 4b11b 22  b 12 b 21 ÃÂc 2 2Ca 2 2b 22 Cb 21 4b 22 Âc1Ca1b11ÃÃDÂc1 2 Ca12b11Cb 12 4b11Âc 2 Ca 2 b 22 ÃÃÂc 2 2Ca 2 2b 22 Cb 21 4b 22 Âc1Ca1b11ÃËD ... b 12 b 21 ÃÂc1 2 Ca12b11Cb 12 4b11Âc 2 Ca 2 b 22 ÃÃ;pNE 2 DÂ4b11b 22 4b11b 22  b 12 b 21 ÃÂc 2 2Ca 2 2b 22 Cb 21 4b 22 Âc1Ca1b11ÃÃ:First note that the prices depend on the intercepts of the demand equations ... cases wererespectivelypNE1DÂ4b11b 22 4b11b 22  b 12 b 21 ÃÂc1 2 Ca12b11Cb 12 4b11Âc 2 Ca 2 b 22 Ãà and pNE1Dc1 2 Ca12b11:When analyzing price correlations,...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_6 pdf

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_6 pdf

... prices p 2 =p111Profitability calculation:p1 c1p1‹61Á11.p1;p 2 ;:::;pJ/Cp 2  c 2 p 2 p 2 p1DR 12 ; 0:1 61 2 C 0 :2  1  0 :29 D 0:56p 2  c 2 p1‹61Á 22 .p1;p 2 ;:::;pJ/Cp1 ... c1p161Á11.p1;p 2 ;:::;pJ/Cp 2  c 2 p1DR 12 and analogously the price increase for product 2 will be profitable ifp 2  c 2 p 2 61Á 22 .p1;p 2 ;:::;pJ/Cp 2  c 2 p1DR 21 :Merger guidance ... demand system:ln q1D Á10C Á11ln p1C Á 12 ln p 2 C Á13ln p3CC Á1Jln pJC x01ˇ1C 1;ln q 2 D Á 20 C Á 21 ln p1C Á 22 ln p 2 C Á 23 ln p3CC Á2Jln pJC x0 2 ˇ 2 C...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_8 pptx

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_8 pptx

... Delta 28 1 43 28 15.3 10.0 2 Eastern 25 7 33 36 12. 8 14.03 United 23 1 36 10 15.6 4.34 American 20 7 22 12 10.6 5.85 USAir 20 1 20 17 10.0 5.86 TWA 174 22 23 12. 6 13 .2 7 Braniff 1 12 10 20 8.9 ... Share 2 1 20 400 1 50 2, 500 2 20 400 2 20 4003 20 400 3 5 25 4 20 400 4 5 25 5 20 400 5 5 25 —— — 6 5 25 CR(4) 80 CR(4) 80HHI 2, 000 HHI 2, 950used structural indicators of profitability and both ... Continental 62 9 5 14.5 8.111 Piedmont 61 14 2 23.0 3.3 12 Western 51 6 7 11.8 13.713 Pan Am 45 1 1 2. 2 2. 214 Ozark 28 18 4 64.3 14.315 Texas Int’l 27 3 6 11.1 22 .2 Source: Berry (19 92, table...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_12 potx

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_12 potx

... Ch.0.0 22 6 23 8 45 71 181 21 0 90 128 181 21 0 45 710.1 25 1 25 9 50 76 20 1 22 5 100 137 20 1 22 5 50 750 .2 2 82 285 56 83 22 6 24 5 113 148 22 6 24 3 56 800.3 322 319 64 92 258 27 0 129 1 62 258 26 7 64 ... 439Dateqsugar1992q1 1995q3 1999q1 20 02q3 20 06q1 2, 000 2, 200 2, 400 2, 600 2, 800DatePsugar 22 24 26 28 301992q1 1995q3 1999q1 20 02q3 20 06q1(a)(b)Figure 9.1. Quantity and retail price of ... 1, 128 9 92 226 26 6 9 02 766 451439 903743 22 6 22 20.9 2, 2561,935 451 511 1,8051,461 9 02827 1,8051,410 4514 12 Source: Davis (20 06f).Denotes IC constraint satisfied. and Shephard...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_13 pot

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_13 pot

... areÁ11D@Q1@P1P1Q1DP1Q1.b11/ and Á 22 D@Q 2 @P 2 P 2 Q 2 DP 2 Q 2 .b 22 /:18See, for example, the CC report on Groceries available at www .competition- commission.org.uk/inquiries/ref2006/grocery/index.htm.19See ... is satisfied:Á 12 D@ ln Q1@ ln P 2 D@Q1@P 2 P 2 Q1DP 2 Q1b 1221 D@ ln Q 2 @ ln P1D@Q 2 @P1P1Q 2 DP1Q 2 b 21 ;so that Á 12 ¤ Á 12 .17Note that an important implication ... P1JC 1ln ytC 1t;ln Q2tD a 2  b 21 ln P1tC b 22 ln P2tCCb2Jln PJtC  2 ln ytC 2t;:::ln QJtD a 2  bJ1ln P1tC bJ2ln P2tCCbJJln PJtC Jln ytC...
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Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_15 pptx

Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés_15 pptx

... 0.0545(0.0036)Adjusted R 2 0.37 72 0.3953 0.7181F -test for no fixed effects:Numerator DF: 668Denominator DF: 1999F value: 3 .26 2 Prob. >F: 0.000Hausman test for random effects:Hausman’s M value: 622 .29 6 Prob. ... data from10 .2. Measuring the Effect of Vertical Restraints 51910 .2. 1 Informal and Semiformal Analysis of IncentivesInformal quantitative analysis can sometimes be insightful for evaluating ... restricting price competition. Firms could, for example, simply refuse 12 “Commission adopts comprehensive reform of competition rules for car sales and servicing”IP/ 02/ 1073 of 17/07 /20 02 available...
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Quantitative Techniques for Competition and Antitrust Analysis_1 pdf

Quantitative Techniques for Competition and Antitrust Analysis_1 pdf

... .1;400/ 2 .1:5/= .2  3;500/ D£ 420 million. Harberger triangles need not always be small. For Lara, Adrian, and Tristan For SaraThis page intentionally left blank Quantitative Techniques for Competition ... since understanding thesekey elements of economic analysis is crucial for an appropriate use of quantitative techniques. 1.1 Demand Functions and Demand ElasticitiesThe analysis of demand is probably ... on Prices 23 15 .2 Entry, Exit, and Pricing Power 25 65.3 Conclusions 28 26 Identification of Conduct 28 46.1 The Role of Structural Indicators 28 56 .2 Directly Identifying the Nature of Competition...
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