giải bài tập toán kinh tế chương 1

... 9 Bài 4. T P 15 0 80 18 0 60 80 50 7 4 17 5 8 200 7 15 10 11 30 10 0 13 6 14 16 20 200 14 22 17 16 35 Bài 5. T P 35 75 40 70 80 60 7 10 1 9 12 85 9 4 10 11 5 48 8 7 5 6 8 10 7 10 ... Bài 2. Chi ti ết Máy CT1 1 CT2 1 CT3 1 A :1 120 80 61 B :1 36 10 0 91 C :1 180 82 36 D :1 60 12 0 10 2 Bài 3. Chi ti ết M áy CT1 2 CT2 1 CT3 3 CT4 2 A :1 76 50 10 5 80 B :1 160 ... 10 CH ÝÕNG IV: BÀI TOÁN SẢN XUẤT ÐỒNG BỘ Gi ải các bài toán ðồng bộ sau ðây: Bài 1. Chi ti ết Máy CT1 1 CT2 1 CT3 1 A :1 63 240 16 0 B :1 103 61 200 C :1 720 360 16 1 D :1 173 12 0...

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Ngày tải lên: 17/10/2014, 14:34

... Chapter 1: Preliminaries New CPI 19 80 63 .1 Real price of milk 19 80 $2.98 19 85 82.3 19 85 $2.58 19 90 10 0 19 90 $1. 99 19 95 11 6.6 19 95 $1. 38 2000 13 1.8 2000 $1. 91 20 01 135.6 20 01 $2.43 ... the same since 19 80? Real price of butter in year X = CPI 19 80 CPI year X *nominal price in year X . 19 80 19 85 19 90 19 95 2000 20 01 $1. 88 $1. 62 $1. 25 $0.87 $1. 21 $1. 54 Since 19 80 the real ... change in the real price (19 80 dollars) from 19 80 to 20 01? Percentage change in real price from 19 80 to 20 01 = 1. 54 − 1. 88 1. 88 =−0 .18 = 18 % . c. Convert the CPI into 19 90 = 10 0 and determine the...

Ngày tải lên: 23/12/2013, 14:15

... from the table above so that a=830+85.7*4 .11 =11 72.3 or a=850+85.7*3.76 =11 72.3. The equation for the demand curve is therefore Q =11 72.3-85.7P. 15 Chapter 2: The Basics of Supply and Demand ... that: 18 .74 + 0.07P = 24.08 - 0.06P, implying that P = $ 41. 08 in the short run; and 14 .78 + 0.29P = 32 .18 - 0.51P, implying that P = $ 21. 75 in the long run. 10 . Refer to Example 2 .10 , which ... (millions) Supply (millions) 60 22 14 80 20 16 10 0 18 18 12 0 16 20 a. Calculate the price elasticity of demand when the price is $80 and when the price is $10 0. We know that the price elasticity...

Ngày tải lên: 23/12/2013, 14:15

... have to spend in 19 95 versus 19 90 if she consumed the same amounts of food and clothing in 19 95 as she did in 19 90. That is, the Laspeyres index for 19 95 (L) is given by: L = 10 0 (Y′)/Y where ... 8-ounce soft drink she pays $1. 50 8 oz = $0 .19 per oz. When she buys the 12 -ounce size she pays $0 .17 per ounce, and when she buys the 16 - ounce size, she pays $0 .14 per ounce. Given that there ... bundles. The indifference curve with a utility of 12 00 has the equation 10 DF =12 00, or DF =12 0. Choose combinations of D and F whose product is 12 0 to find a few bundles. b. Graph Jane’s budget...

Ngày tải lên: 23/12/2013, 14:15

... G($) G($) 1 8 16 14 64 80 1 9 15 14 81 90 1 10 14 15 10 0 90 1 11 14 16 11 0 88 Formatted: Space Before: 1. 2 line, After: 1. 2 line, Line spacing: 1. 5 lines Formatted: Space Before: 1. 2 line, After: ... )(0.8Q 1 ) - P 1 Q 1 = -0 .12 P 1 Q 1 , or a 12 percent decline. For disk drives: Δ TR dd = P 2 Q 2 - P 1 Q 1 Δ TR dd = (1. 1P 1 )(0.9Q 1 ) - P 1 Q 1 = -0.01P 1 Q 1 , or a 1 percent decline. ... Price Wine Price Book Quantity Wine Quantity Book Budget $10 $10 7 8 $15 0 $12 $10 5 9 $15 0 $15 $10 4 9 $15 0 $20 $10 2 11 $15 0 The price consumption curve connects each of the four optimal...

Ngày tải lên: 23/12/2013, 14:15

... investment is ER = (0.999)( -1, 000,000) + (0.0 01) (1, 000,000,000) = $1, 000. The variance is σ 2 = (0.999)( -1, 000,000 - 1, 000) 2 + (0.0 01) (1, 000,000,000 - 1, 000) 2 , or σ 2 = 1, 000,998,999,000,000. ... 0.5 () 9 0.5 () + 0.25 () 10 0.5 ( ) + 0.2 ( ) 11 0.5 ( ) + 0.05 ( ) 16 .5 0.5 ( ) = 3 .15 7. This is less than 3 .16 2, which is the utility associated with not buying the ticket (U (10 ) = 10 0.5 = 3 .16 2). He ... she has $10 ,000 and is offered a gamble of a $1, 000 gain with 50 percent probability and a $1, 000 loss with 50 percent probability. Her utility of $10 ,000 is 10 , (u(I) = 10 *10 = 10 ). Her...

Ngày tải lên: 23/12/2013, 14:15

... 4 ⇒ q = (10 0)(4 0.8 )(49 0.2 ) = 660.22 K = 5 ⇒ q = (10 0)(5 0.8 )(49 0.2 ) = 789.25 ⇒ MP K = 12 9.03 K = 6 ⇒ q = (10 0)(6 0.8 )(49 0.2 ) = 913 .19 ⇒ MP K = 12 3.94 K = 7 ⇒ q = (10 0)(7 0.8 ... consider the following table: L q Firm 1 MP L Firm 1 q Firm 2 MP L Firm 2 0 0.0 ___ 0.00 ___ 1 30.00 30.00 37.37 37.37 2 42.43 12 .43 49. 31 11. 94 3 51. 96 9.53 58.00 8.69 4 60.00 8.04 65.07 ... Before: 1. 2 line, After: 1. 2 line, Line spacing: 1. 5 lines Formatted Table Formatted: Space Before: 1. 2 line, After: 1. 2 line, Line spacing: 1. 5 lines Formatted: Space Before: 1. 2 line, After: 1. 2...

Ngày tải lên: 23/12/2013, 14:15

... Cost 0 10 0 0 10 0 0 1 100 25 12 5 25 10 0 25 12 5 2 10 0 45 14 5 20 50 22.5 72.5 3 10 0 57 15 7 12 33.3 19 52.3 4 10 0 77 17 7 20 25 19 .25 44.25 5 10 0 10 2 202 25 20 20.4 40.4 6 10 0 13 6 236 34 16 .67 ... 6 10 0 13 6 236 34 16 .67 22.67 39.3 7 10 0 17 0 270 34 14 .3 24.3 38.6 8 10 0 226 326 56 12 .5 28.25 40.75 9 10 0 298 398 72 11 .1 33 .1 44.2 10 10 0 390 490 92 10 39 49 b. Draw a graph that shows ... average cost this year: AC 1 = 10 - 0.1Q + 0.3q = 10 - (0 .1) (40) + (0.3) (10 ) = 9. Second, calculate the average cost next year: AC 2 = 10 - (0 .1) (50) + (0.3) (12 ) = 8.6. (Note: Cumulative...

Ngày tải lên: 23/12/2013, 14:15

... TFC AVC 0 10 0 0 10 0 1 150 50 50 10 0 50.0 2 17 8 28 78 10 0 39.0 3 19 8 20 98 10 0 32.7 4 212 14 11 2 10 0 28.0 5 230 18 13 0 10 0 26.0 6 250 20 15 0 10 0 25.0 7 272 22 17 2 10 0 24.6 8 310 38 210 10 0 26.3 9 ... = 50 0 60 0 10 0 -10 0 0 -10 0 1 60 60 15 0 -90 50 60 50 50 -10 0 2 60 12 0 17 8 -58 28 60 10 0 50 -78 3 60 18 0 19 8 -18 20 60 15 0 50 -48 4 60 240 212 28 14 60 200 50 -12 5 60 300 230 70 18 60 250 50 ... 10 0 π FC = 10 0 MC TC FC = 15 0 π FC = 15 0 TC FC = 200 π FC = 200 0 60 0 10 0 -10 0 15 0 -15 0 200 -200 1 60 60 15 0 -90 50 200 -14 0 250 -19 0 2 60 12 0 17 8 -58 28 228 -10 8 278 -15 8 3...

Ngày tải lên: 23/12/2013, 14:15

... area a. Numerically: a = ( 21. 5 -19 .2) (14 .6)+ (17 .4 -14 .6)( 21. 5 -19 .2)(.5)=36.8 b = (17 .4 -14 .6)( 21. 5 -19 .2)(.5)=3.22 c = ( 21. 5 -19 .2)(20.4 -17 .4)=6.9 d = ( 21. 5 -19 .2)( 21. 1-20.5)(.5)=0.69. These numbers ... price will be $12 per pound and demand is Q=250 -10 (12 ) =13 0 million pounds. b. Calculate the lost consumer surplus. The lost consumer surplus is (12 -10 ) (13 0)+0.5 (12 -10 ) (15 0 -13 0)=$280 million. ... 285P)-(-8.70 +1. 214 P)=6.5 35.23 -1. 499P=6.5 P =19 .2 cents per pound. Chapter 9: The Analysis of Competitive Markets 13 1 70 10 50 60 10 0 S D Q P a b c 10 0 200 50 Figure 9 .12 13 . Currently,...

Ngày tải lên: 23/12/2013, 14:15

... marginal cost: MC=4Q=90-4Q=MR Q =11 .25. For a quantity of 11 .25, the firm will charge a price P=90-2 *11 .25=$67.50. The level of profit is $67.50 *11 .25 -10 0-2 *11 .25 *11 .25=$406.25. b. Find the ... quantity: 12 0 - 0.04Q = 60, or Q = 1, 500. 13 9 Chapter 10 : Market Power: Monopoly and Monopsony Q = 14 4 P 2 ⇒ P 2 = 14 4 Q ⇒ P = 14 4 Q = 12 Q R = P* Q = 12 Q *Q = 12 Q MR = ΔR ΔQ = 0.5 * 12 Q = 6 Q . ... 15 4 Chapter 10 : Market Power: Monopoly and Monopsony 15 3 π = (27) (14 ) - (10 0 - (5) (14 ) + 14 2 ) = $15 2. The deadweight loss is $2.00 This is equivalent to a triangle of (0.5) (15 - 14 )(27...

Ngày tải lên: 23/12/2013, 14:15

... (90)(250) + (11 0)(375) = $63,750. Total cost is 41, 000 + (90 + 11 0) (10 0) = $ 61, 000. Profits per flight are 17 4 Chapter 11 : Pricing with Market Power P = 25 − 2 Q, if Q ≤ 5 18 .33 − 0.67Q ... quantities MR 1 = 6.3 and MR 2 = -3.7). Profit is (11 .5) (10 .6) - (5 + (3) (11 .5)) = $83.2. Deadweight loss in the first market is DWL 1 = (0.5) (10 .6-3) (12 -4.3) = $29.26. 16 9 ... Chapter 11 : Pricing with Market Power Rewriting the demand function results in P = 16 0 0.75 − 1 0.75 Q. Now total revenue = PQ = ( 213 .3 – 1. 3Q)Q, or 213 .3Q – 1. 3Q 2 , and therefore, MR = 213 .3...

Ngày tải lên: 20/01/2014, 20:20

... q 1 or: q 2 = 30 − 1 3 q 1 . WW profits will be: Π=P 1 q 1 − C 1 = (300 − 3q 1 − 3q 2 )q 1 − (30q 1 + 1. 5q 1 2 ) Π=270q 1 − 4.5q 1 2 − 3q 1 q 2 Π=270q 1 − 4.5q 1 2 − 3q 1 (30 − 1 3 q 1 ) Π =18 0q 1 − ... Air, π 1 , is equal to total revenue minus total cost: π 1 = (10 0 - Q 1 - Q 2 )Q 1 - 40Q 1 , or ππ 11 1 2 12 1 1 1 1 2 12 10 0 40 60=−−− =−−QQ QQ Q QQ QQ,. or The change in π 1 with respect ... that firm): R 1 = P q 1 = (300 - 3(q 1 + q 2 )) q 1 = 300q 1 - 3q 1 2 - 3q 1 q 2 . MR 1 = 300 - 6q 1 - 3q 2 MC 1 = 30 + 3q 1 300 - 6q 1 - 3q 2 = 30 + 3q 1 q 1 = 30 - (1/ 3)q 2 . ...

Ngày tải lên: 20/01/2014, 20:20

... 18 . The market is often considered to be relatively efficient up to the semi-strong form. If so, ... no abnormal return can be expected from purchasing after the publication of the article. . 19 . Under the semi-strong form of market efficiency, the stock price should stay the same. The ... announcement. Thus, one cannot expect abnormal returns following the announcement. CHAPTER 13 CORPORATE FINANCING DECISIONS AND EFFICIENT CAPITAL MARKETS For this chapter, consider...

Ngày tải lên: 20/01/2014, 20:20