bai tap ve tro dong tu khiem khuyet tieng anh lop 6

... qua tranh: Keys: Picture 1: Helping old or sick people Picture 2: Teaching children to read and write Picture 3: Directing the traffic Picture 4: Taking care of the families of martyrs Picture ... of all loves, for it seeks only the happiness and good of the other  The true meaning of friendship is that you both give and take However, you give without expecting anything in return  It ... mothers to show how they love and appreciate their mothers Picture 3: WEDDING - This picture show a wedding horseshoe It is the symbol of good fortune and ability to have many children So on wedding...

Ngày tải lên: 21/03/2015, 09:32

Ngày tải lên: 04/04/2015, 13:01

... leave B-would leave C-would have left D-is leaving 66 -My grandfather………many years ago A-had died B-has died C-died D-was dying 67 -I………… my son the money for that last week A-gave B-given C-have ... have stopped C have stopped D was stopping A wait B am waiting C have waited D was waiting A am changing B had changed C will change D have changed A will live B have been living C live D have ... A works B has worked C is working D was working 73 In 1 966 , my brother at Harvard university A studies B is studying C studied D had studied 74 Peter in Paris when I saw him last A was working...

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Ngày tải lên: 12/04/2015, 21:14

... Although some people have strong preferences for a particular brand of cola, the different brands are similar enough that they constitute one market There are consumers who not have strong preferences ... Chapter 1: Preliminaries New CPI 1980 63 .1 Real price of milk 1980 $2.98 1985 82.3 1985 $2.58 1990 100 1990 $1.99 1995 1 16. 6 1995 $1.38 2000 131.8 2000 $1.91 2001 135 .6 2001 $2.43 d What is the percentage ... there are consumers who may have a preference, but who will also be influenced by price Given these possibilities, the price of cola drinks will not tend to differ by very much, particularly for...

Ngày tải lên: 23/12/2013, 14:15

... 0.6Qe=0 .6( 1544-176P)=9 26. 4-105.6P Graphically, export demand has pivoted inwards as illustrated in figure 2.5a below Total demand becomes QD = Qd + 0.6Qe = 1700 - 107P + 9 26. 4-105.6P = 262 6.4 - 212.6P P 8.77 Qe 1544 9 26. 4 ... curve down to the left in a parallel fashion the effect on price and quantity will be qualitatively the same, but will differ quantitatively The new export demand is 0.6Qe=0 .6( 1544-176P)=9 26. 4-105.6P ... 262 6.4 - 212.6P, or P = $1 .63 , which is a significant drop from the market-clearing price of $2 .65 per bushel At this price, the market-clearing quantity is 2280 .65 million bushels Total revenue...

Ngày tải lên: 23/12/2013, 14:15

... normal convex shape However since Jones has an overall preference for hockey and Smith has an overall preference for rock concerts, their two sets of indifference curves will have different slopes ... perfect substitutes, the indifference curves are linear To find the slope of the indifference curve, choose a level of utility and find the equation for a representative indifference curve Suppose ... slope of the indifference curve is equal to the slope of the budget line, and Jane is spending her entire income The slope of the budget line is − PD =− PF The slope of the indifference curve...

Ngày tải lên: 23/12/2013, 14:15

... her indifference curves are L-shaped Intuitively if the two goods are complements, there is no reason to substitute one for the other during a price change because they have to be consumed in ... functions The demand curves for the general public ( Qgp ) and students ( Qs ) are given below Qgp = 500 − 5P Qs = 200 − 4P a Graph the two demand curves on one graph, with P on the vertical axis and ... group Both demand curves are downward sloping and linear For the general public, the vertical intercept is 100 and the horizontal intercept is 500 For the students, the vertical intercept is...

Ngày tải lên: 23/12/2013, 14:15

... positive payoffs Suppose an investor is concerned about a business choice in which there are three prospects, whose probability and returns are given below: Probability Return 0.4 $100 67 Chapter ... whoever invents such a mayonnaise substitute first Sam’s SCAM seems like a very risky proposition to you You have calculated his possible returns table as follows Probability 999 001 Return -$1,000,000 ... needs a certain level of income, I*, in order to stay alive An increase in income above I* will have a diminishing marginal utility Below I*, the individual will be a risk lover and will take...

Ngày tải lên: 23/12/2013, 14:15

... are added, and is actually negative for the sixth and seventh workers c Explain intuitively what might cause the marginal product of labor to become negative Labor’s negative marginal product ... 49.31 11.94 51. 96 9.53 58.00 8 .69 60 .00 8.04 65 .07 7.07 For each unit of labor above 1, the marginal productivity of labor is greater for the first firm, DISK, Inc 10 In Example 6. 3, wheat is produced ... 66 0.22 Formatted: Font: Times New Roman, 12 pt Formatted: Font: Times New Roman, 12 pt, French (France) L = 50 ⇒ q = (100)(40.8 )(500.2 ) = 66 2.89 ⇒ MPL = 2 .67 L = 51 ⇒ q = (100)(4 )(51 ) = 66 5.52...

Ngày tải lên: 23/12/2013, 14:15

... U-shaped AC curve, the second derivative of the average cost curve must be positive The first derivative is c + 2dQ; the second derivative is 2d If the second derivative is to be positive, then d ... i.e., a curve with a minimum (minimum average cost), rather than a hill shape with a maximum At the minimum, the slope should be zero, thus the first derivative of the average cost curve with respect ... Average cost measures the input requirements per unit of output Learning curve effects exist if average cost falls with increases in cumulative output Here, average cost decreases as cumulative...

Ngày tải lên: 23/12/2013, 14:15

... FC = 100 60 60 60 60 120 100 150 178 -100 -90 -58 60 60 60 60 180 240 300 360 198 212 230 250 10 60 60 60 60 420 480 540 60 0 11 60 66 0 MC Use the same information as in Exercise a Derive the firm’s ... Chapter 8: Profit Maximization and Competitive Supply 10 11 60 60 60 0 66 0 410 475 190 185 55 65 60 60 500 550 50 50 90 75 At a price of $60 , the firm should produce ten units of output to ... ( 16) VC = 4q FC = 16 16 C(q) = 4q + q q VC AVC = = 4q q FC 16 = AFC = q q Show the average cost, marginal cost, and average variable cost curves on a graph AC = b Average cost is u-shaped Average...

Ngày tải lên: 23/12/2013, 14:15