Basic Mathematics for Economists phần 8 docx
Basic Mathematics for Economists phần 8 docx
...
12 2 183 .75 22.03 -3. 28
13 3 144.375 26.95 4.92
14 4 203.4375 19.57 -7. 38
15 5 114 .84 375 30.64 11.07
16 6 247.734 38 14.03 -16.61
17 7 48. 3 984 38 38. 95 24.92
18 8 347.40234 1.57 -37. 38
19 ... 1.13
14 4 103.75 14 .81 -0.56
15 5 98. 125 15.09 0. 28
16 6 100.9375 14.95 -0.14
17 7 99.53125 15.02 0.07
18 8 100.234 38 14.99 -0.04
19 9 99 .88 281 3 15.01 0.02
20 10...
Basic Mathematics for Economists - Rosser - Answers docx
... 10
8. 5.2 780 316 9. 0.03423 10. 87 .97 785 7
2.10 1. 270 ,81 8. 98 2. 220.94 78 3. 2 .85 63 × 10
9
4. 1.57 28 × 10
8
5. 1.2 683 6. 16,552 ,87 7 7. 93.696376 8. 4. 382 28
9. 5.133 186 8
Chapter 3
3.1 1. (a) 0.01x ... 587
14.3 1. 0. 48% 2. 2.05%; 3.49% 3. 0 .83 %, 621.43 million tones
4. e6,446.39 million 5. 8. 8% 6. 5 .83 % 7. 6. 18%
8. 9% discrete (equivalent to 8. 62% continuou...
Basic Mathematics for Economists phần 1 ppt
... Marginal revenue and total revenue
8. 4 Marginal cost and total cost
8. 5 Profit maximization
8. 6 Respecifying functions
8. 7 Point elasticity of demand
8. 8 Tax yield
8. 9 The Keynesian multiplier
9 Unconstrained ... could have calculated
1
24
0.55
=
1
5.7427007
= 0.1741341
Example 2. 48
20 × 8
0.3
× 8
0.25
= 20 8
0.55
= 20 ×3.1 383 364 = 62.7667 28
Sometimes it may help to mult...
Basic Mathematics for Economists phần 2 ppsx
... 3.1
Student no. 123456 789 101112
Height (cm) 1 78 175 170 166 1 68 185 169 189 175 181 177 180
Weight (kg) 72 68 58 52 55 82 55 86 70 71 65 68
© 1993, 2003 Mike Rosser
8. Yousell900sharesviayourbrokerwhochargesaflatrateofcommissionof£20
onalltransactionsoflessthan£1,000.Yourbankaccountiscreditedwith£340
fromthesharesale.Whatpricewereyoursharessoldat?
9.Yournetmonthlysalaryis£1,950.Yo...
Basic Mathematics for Economists phần 3 pdf
... = 80 - 0.2Q^2
2
3 Q TR
4 0 0
5 20 1520
6 40 288 0
7 60 4 080
8 80 5120
9 100 6000
10 120 6720
11 140 7 280
12 160 7 680
13 180 7920
14 200 80 00
15 220 7920
16 240 7 680
17 260 7 280 ... example
whenI=200thenY =80 +2(200) =80 +400= 480 (checkwithExample5.7)
when I = 300 then Y = 80 + 2(300) = 80 + 600 = 680
From the reduced form equation (3) we can also see that for ev...
Basic Mathematics for Economists phần 4 pdf
... 16.5 -6 58 27.5 -625 38. 5 -1 08
16 6 -2 38 17 -667 28 -612 39 -73
17 6.5 -2 68 17.5 -675 28. 5 -5 98 39.5 -37
18 7 -297 18 - 682 29 - 583 40 0
19 7.5 -325 18. 5 - 688 29.5 -567 40.5 38
20 8 -352 19 ... 19254.05 188 4.05
36 32 21274.40 2020.35
37 33 23435 .85 2161.45
38 34 25743.20 2307.35
39 35 282 01.25 24 58. 05
40 36 3 081 4 .80 2613.55
41 37 33 588 .65 2773 .85...
Basic Mathematics for Economists phần 5 ppt
... 2.00% 80 .473
7 2.05% 80 .699
8 2.10% 80 .927
9 2.15% 81 .155
10 2.20% 81 . 384
11 2.25% 81 .613
12 2.30% 81 .84 4
13 2.35% 82 .075
14 2.40% 82 .307
15 2.45% 82 .540
16 2.50% 82 .773
17 2.55% 83 .0 08 ...
18 2.60% 83 .243
19 2.65% 83 .479
20 2.70% 83 .715
21 2.75% 83 .953 << solution
22 2 .80 % 84 .191
23 2 .85 % 84 .430
24 2.90% 84 .670
25 2.95%...
Basic Mathematics for Economists phần 6 potx
... 10 288 00 1600 160
8 81 1 273 78 1 78 1 78
9 80 .1 0.1 27217. 98 17. 98 179 .8
10 80 .01 0.01 27201.79 98 1.79 98 179. 98
11 80 .001 0.001 27200. 18 0.1799 98 179.9 98
12 80 .0001 0.0001 27200.0 18 0.017999 98 179.99 98
13 ... the equilibrium Y . Thus
Y = C + I + G + X − M
= 0 .8( 1 −0.2)Y + 300 +400 + 288 − 0.2(1 − 0.2)Y
= 0.64Y + 988 − 0.16Y
(1 −0. 48) Y = 988
Y =
98...
Basic Mathematics for Economists phần 7 potx
... (1)
and
∂TR
∂p
2
= 770 − 8. 8p
2
+ 2.2p
1
= 0(2)
Multiplying (1) by 4 2,0 68 − 28p
1
+ 8. 8p
2
= 0
Rearranging and adding (2) 770 + 2.2p
1
− 8. 8p
2
= 0
2 ,83 8 − 25.8p
1
= 0
2 ,83 8 = 25.8p
1
110 = p
1
Substituting ... 0
Rearranging (1) 5 98. 8 − 0.2q
2
− 0.6q
1
= 0
Subtracting gives 89 6.7 − q
2
= 0
Giving the optimal value 89 6.7 = q
2
Substituting this value for q
2
into (1)
5 98....
Basic Mathematics for Economists phần 9 ppsx
... 2e
−1.5t
+ 8
010
1 8. 44626
2 8. 099574
3 8. 0222 18
4 8. 0049 58
5 8. 001106
Table 14.4
ty= e
t
y = e
−t
01 1
1 2.7 18 0.36 787 9
2 7. 389 0.135335
3 20. 086 0.049 787
4 54.5 98 0.0 183 16
5 1 48. 413 0.0067 38
6 403.429 ... Y = 435
8 Time New Equil Y = 375
9 t C Y
10 0 301.00 411.00
11 1 286 .60 396.60
12 2 277.96 387 .96
13 3 272. 78 382 . 78
14 4 269.67 379.67
15 5...
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