Quantitative Techniques for Competition and Antitrust Analysis by Peter Davis and Eliana Garcés 2 pptx

... R 2 .p 1 / D c =2 C .a 2 C b 21 p 1 /=2b 22 ; (iii) c =2 C a 2 =2b 22 ;(iv)c =2 Ca 1 =2b 11 . or, more concisely, a i C b ij p j D .2p i  c/b ii : Rearranging gives the best response function for the ... brand’s image. Suppose we face a market with two differentiated goods and the following linear demand system: Demand for good 1: q 1 D a 1  b 11 p 1 C b 12 p 2 ; De...

Ngày tải lên: 21/06/2014, 14:20

... 0.3 72 0 .24 3 0.150 — (0.041) (0 .23 1) (0.034) (0.018) — log.P Molson / 0.3 72 0.804 0.183 0.130 — (0 .23 1) (0.031) (0. 022 ) (0.0 12) — log.P Labatts / 0 .24 3 0.183 0.588 0. 028 — (0.034) (0. 022 ) (0.044) ... in Fisher (1980, 1986) and Finkelstein and Levenbach (1983). For more general econometrics texts, see, for example, Greene (20 07) and Wooldridge (20 07). And for...

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... application in the supply and demand context, see also Angrist et al. (20 00). 2. 2. Identification of Causal Effects 111 2. 2.3.4 Stock and Bond Market Event Studies Stock and bond market event studies ... caused by movement in costs (which is in addition to any variation in prices explained by movements in the demand curve caused by the exogenous demand shifting variables X 2...

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... as p NE 1 p NE 2 D Â 4b 11 b 22 4b 11 b 22  b 12 b 21 ÃÂ c 1 2 C a 1 2b 11 C b 12 4b 11 Â c 2 C a 2 b 22 ÃÃ ÄÂ 4b 11 b 22 4b 11 b 22  b 12 b 21 ÃÂ c 2 2 C a 2 2b 22 C b 21 4b 22 Â c 1 C a 1 b 11 ÃÃ D Â c 1 2 C a 1 2b 11 C b 12 4b 11 Â c 2 C a 2 b 22 ÃÃ Â c 2 2 C a 2 2b 22 C b 21 4b 22 Â c 1 C a 1 b 11 ÃÃ ‹ D ... b 12 b 21 ÃÂ c...

Ngày tải lên: 21/06/2014, 14:20

... prices p 2 =p 1 11 Profitability calculation: p 1  c 1 p1 ‹ 6 1 Á 11 .p 1 ;p 2 ;:::;p J / C p 2  c 2 p 2 p 2 p 1 DR 12 ; 0:1 6 1 2 C 0 :2  1  0 :29 D 0:56 p 2  c 2 p1 ‹ 6 1 Á 22 .p 1 ;p 2 ;:::;p J / C p 1  ... c 1 p 1 6 1 Á 11 .p 1 ;p 2 ;:::;p J / C p 2  c 2 p 1 DR 12 and analogously the price increase for product 2 will be profitable if p 2  c...

Ngày tải lên: 21/06/2014, 14:20

... Delta 28 1 43 28 15.3 10.0 2 Eastern 25 7 33 36 12. 8 14.0 3 United 23 1 36 10 15.6 4.3 4 American 20 7 22 12 10.6 5.8 5 USAir 20 1 20 17 10.0 5.8 6 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 20 400 3 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) 80 HHI 2, 000 HHI 2, 950 used st...

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... Ch. 0.0 22 6 23 8 45 71 181 21 0 90 128 181 21 0 45 71 0.1 25 1 25 9 50 76 20 1 22 5 100 137 20 1 22 5 50 75 0 .2 2 82 285 56 83 22 6 24 5 113 148 22 6 24 3 56 80 0.3 322  319 64 92 258 27 0 129 1 62 258 26 7 64 ... 439 Date q sugar 1992q1 1995q3 1999q1 20 02q3 20 06q1 2, 000 2, 200 2, 400 2, 600 2, 800 Date P sugar 22 24 26 28 30 1992q1 1995q3 1999q1 20 02q...

Ngày tải lên: 21/06/2014, 14:20

... Slutsky symmetry is satisfied: Á 12 D @ ln Q 1 @ ln P 2 D @Q 1 @P 2 P 2 Q 1 D P 2 Q 1 b 12 ; Á 21 D @ ln Q 2 @ ln P 1 D @Q 2 @P 1 P 1 Q 2 D P 1 Q 2 b 21 ; so that Á 12 ¤ Á 12 . 17 Note that an important ... are Á 11 D @Q 1 @P 1 P 1 Q 1 D P 1 Q 1 .b 11 / and Á 22 D @Q 2 @P 2 P 2 Q 2 D P 2 Q 2 .b 22 /: 18 See, for example, the CC report on Grocer...

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... thereby 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 ... data from 10 .2. Measuring the Effect of Vertical Restraints 519 10 .2. 1 Informal and Semiformal Analysis of Incentives Informal quantitative analysis can sometimes be i...

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... .1;400/ 2 .1:5/= .2  3;500/ D £ 420 million. Harberger triangles need not always be small. For Lara, Adrian, and Tristan For Sara This page intentionally left blank Quantitative Techniques for Competition ... since understanding these key elements of economic analysis is crucial for an appropriate use of quantitative techniques. 1.1 Demand Functions and Demand Elas...

Ngày tải lên: 21/06/2014, 10:20