bài viết về 4 mùa trong năm bằng tiếng anh

... Barb Sam Barb Price of G Price of L L(hours) L(hours) G($) G($) 1 8 16 14 64 80 1 9 15 14 81 90 1 10 14 15 100 90 1 11 14 16 110 88 Formatted: Space Before: 1.2 line, After: 1.2 line, Line ... below. Chapter 4: Individual and Market Demand 49 changes and utility is kept at the same level, Jane will choose the same point (12, 24) . The income effect causes her to buy 4 more units of ... Q=1200 elasticity= P Q ΔQ ΔP = 40 (45 ) 1200 =−1.5. P=30 and Q=1800 elasticity== P Q ΔQ ΔP = 40 (30) 1800 =−0.67. P=37.5 and Q=1500 elasticity== P Q ΔQ ΔP = 40 (37.5) 1500 =−1. Given...

Ngày tải lên: 23/12/2013, 14:15

... 1985 = CPI 1990 CPI 1985 *3.35= 130.7 107.6 *3.35= $4. 07 . The percentage change in the real minimum wage is therefore 4. 13 − 4. 07 4. 07 = 0.0 147 , or about 1.5%. 6 Chapter 1: Preliminaries ... answer in (b). What do you notice? Explain. Percentage change in real price from 1980 to 2001 = −2 .43 2.98 =− =−0.18 18% 2.98 . This answer is almost identical (except for rounding error) to the ... X *nominal price in year X . 1980 1985 1990 1995 2000 2001 $1.88 $1.62 $1.25 $0.87 $1.21 $1. 54 Since 1980 the real price of butter has decreased. b. What is the percentage change in the...

Ngày tải lên: 23/12/2013, 14:15

... Q D + 200, or Q D = (3 244 - 283P) + 200 = 344 4 - 283P. Equating supply and the new demand, we may determine the new equilibrium price, 1 944 + 207P = 344 4 - 283P, or 49 0P = 1500, or P* = $3.06122 ... - 107P + 926 .4- 105.6P = 2626 .4 - 212.6P. Q e 1 544 926 .4 8.77 P Figure 2.5a Equating total supply and total demand, 1 944 + 207 P = 2626 .4 - 212.6 P , or P = $1.63, which is a significant ... 11. 74 + 7 + 0.07P = 18. 74 + 0.07P and S ″ = 7 + S c = 14. 78 + 0.29P. These are equated with short-run and long-run demand, so that: 18. 74 + 0.07P = 24. 08 - 0.06P, implying that P = $41 .08...

Ngày tải lên: 23/12/2013, 14:15

... F' = [( / ) , )]3 2 360 000 = 7 34. 8. From this, we obtain C': C' = (2/3)F' = (2/3)7 34. 8 = 48 9.9. In 1995, the bundle of 7 34. 8 food and 48 9.9 clothing would cost $2939.60 ... − P D P F =− 1 4 . The slope of the indifference curve is MRS =− MU D MU F =− 10F 10D =− F D . Setting the two equal we get: F D = 1 4 4F = D. We now have two equations and two unknowns: 4F ... he bought 5 books at a cost of $80 each for a total of $40 0. The new price of books is $88 and the cost of 5 new books is now $44 0. The $40 extra income will cover the price increase. Antonio...

Ngày tải lên: 23/12/2013, 14:15

... on this investment is EV = (0 .4) (100) + (0.3)(30) + (0.3)(-30) = $40 . The variance is σ 2 = (0 .4) (100 - 40 ) 2 + (0.3)(30 - 40 ) 2 + (0.3)(-30 - 40 ) 2 = $2, 940 . 5. You are an insurance agent ... level of income that would guarantee him a utility of 21.18, which is $44 8.59. This means he would pay $1000- $44 8.59=$551 .41 to insure his gamble. d. In the long run, given the price of the lottery ... an income of $40 ,000 (I = 40 ) and can earn that income next year with certainty. She is offered a chance to take a new job that offers a .6 probability of earning $44 ,000, and a .4 probability...

Ngày tải lên: 23/12/2013, 14:15

... marginal product. For example, if L =4 and K =4 then q =4. If L=5 and K =4 then q =4. 24. If L=6 and K =4 then q= 4. 47. Marginal product of labor falls from 0. 24 to 0.23. c. q = 3LK 2 This function ... K, and find q. Let L =4 for example. If K is 4 then q is 4, if K is 5 then q is 4. 47, and if K is 6 then q is 4. 89. The marginal product of the 5 th unit of K is 4. 47 -4= 0 .47 , and the marginal ... 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 7.07 For each unit of labor above 1, the marginal productivity...

Ngày tải lên: 23/12/2013, 14:15

... 125 2 100 45 145 20 50 22.5 72.5 3 100 57 157 12 33.3 19 52.3 4 100 77 177 20 25 19.25 44 .25 5 100 102 202 25 20 20 .4 40 .4 6 100 136 236 34 16.67 22.67 39.3 7 100 170 270 34 14. 3 24. 3 38.6 ... 39.3 7 100 170 270 34 14. 3 24. 3 38.6 8 100 226 326 56 12.5 28.25 40 .75 9 100 298 398 72 11.1 33.1 44 .2 10 100 390 49 0 92 10 39 49 b. Draw a graph that shows marginal cost, average variable ... 85 Chapter 7: The Costs of Production AC =b − c 2 2d + c 2 4d = b − 2c 2 4d + c 2 4d = b − c 2 4d > 0. implying b > c 2 4d . Because c 2 >0 and d > 0, b must be positive. In...

Ngày tải lên: 23/12/2013, 14:15

... 110 20 300 60 350 10 7 60 42 0 272 148 22 322 98 372 48 8 60 48 0 310 170 38 360 120 41 0 70 9 60 540 355 185 45 40 5 135 45 5 85 10 60 600 41 0 190 55 46 0 140 510 90 11 60 660 47 5 185 65 525 135 575 ... -48 4 60 240 212 28 14 60 200 50 -12 5 60 300 230 70 18 60 250 50 20 6 60 360 250 110 20 60 300 50 50 7 60 42 0 272 148 22 60 350 50 78 8 60 48 0 310 170 38 60 40 0 50 90 9 60 540 355 185 45 60 45 0 ... q 2 − 8 q + 30 = 3 q 2 − 16 q + 30 = MC 2 q 2 = 8 q q = 4 AVC ( q = 4) = 4 2 − 8 *4 + 30 = 14. Hence, the firm supplies zero output if P< 14. Chapter 8: Profit Maximization and Competitive Supply ...

Ngày tải lên: 23/12/2013, 14:15

... 2 P = 4 + 4 P , or P = 4. To determine the equilibrium quantity, substitute P = 4 into either the supply equation or the demand equation: Q S = 4 + 4( 4) = 20 and Q D = 28 - 2 (4) = ... 90-10 W ** = 10 W **, or w** = $4. 5 per hour and L** = 10 (4. 5) = 45 million persons employed. The real cost to the employer is $3.5 per hour. W L = 10w s 9 8 4. 5 4 40 45 80 90 wage and employment after ... equal to 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...

Ngày tải lên: 23/12/2013, 14:15

... profit- maximizing quantity: 120 - 0.04Q = 60, or Q = 1,500. 139 Chapter 10: Market Power: Monopoly and Monopsony Q = 144 P 2 ⇒ P 2 = 144 Q ⇒ P = 144 Q = 12 Q R = P* Q = 12 Q *Q = 12 Q MR ... - 49 Q + 500 = 0. Note: if Q 2 + bQ + c = 0, then Q bb ac a = −± − 2 4 2 . Using the quadratic formula: Q = ±− ()( )( ) ()( ) 49 49 2 40 1500 201 . . , there are two solutions: 10 .4 ... faces at P =4 or Q == 144 16 9 . Therefore, if the monopolist produces 9 units or less, the price must be $4. Because of the regulation, the demand curve now has two parts: P = $4, if Q ≤...

Ngày tải lên: 23/12/2013, 14:15

... or: TR = 40 ,000+7,500*3.75-1,000*3.75*3.75 = $ 54, 062.5. Total cost is equal to fixed costs of $10,000. Profit with a two-part tariff is $44 ,062.5 per week, which is greater than the $40 ,000 per ... MR B = 40 0 - 3.34Q B B B . To determine the profit-maximizing quantities, set marginal revenue equal to marginal cost in each market: 650 - 5 Q A = 100, or Q A = 110 and 40 0 - 3. 34 Q B ... and Q 2 : P 10− P()1,000()+ 4 P 4 ⎛ ⎝ ⎞ ⎠ 1,000 () ⎡ ⎣ ⎢ ⎤ ⎦ ⎥ = 14, 000P−1,250P 2 . Then total revenue from both entry and user fees is equal to TR = 40 ,000 + 7,500P − 1,000P 2 . ...

Ngày tải lên: 20/01/2014, 20:20

... 17.3 15 4 100 25 35 73 18.25 21 5 145 29 45 100 20 27 Firm 3 Firm 4 Units TC AC MC TC AC MC 0 15 __ __ 20 __ __ 1 19 19 4 26 26 6 2 31 15.5 12 44 22 18 3 51 17 20 74 24. 67 30 4 79 19.75 ... + q 2 ) = 200 - 2(25.7 + 21 .4) = $158.57 π 1 = (158.57) (25.7) - (30) (25.7) – 1.5*25.7 2 = $2313.51 π 2 = (158.57) (21 .4) - (30) (21 .4) – 1.5*21 .4 2 = $20 64. 46. WW is able to benefit from ... π T = 53 − N 48 N + 1 ⎛ ⎝ ⎞ ⎠ ⎡ ⎣ ⎢ ⎤ ⎦ ⎥ N () 48 N + 1 ⎛ ⎝ ⎞ ⎠ − 5N 48 N +1 ⎛ ⎝ ⎞ ⎠ or π T = 48 − N () 48 N + 1 ⎛ ⎝ ⎞ ⎠ ⎡ ⎣ ⎢ ⎤ ⎦ ⎥ N () 48 N + 1 ⎛ ⎝...

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