Tài liệu Bài tập về Kinh tế vĩ mô bằng tiếng Anh - Chương 13 pdf

... must incorporate all historical data into prices. Under the semi-strong form of the hypothesis, the market incorporates all publicly-available information in addition to the historical data. In ... information is also public information; weak form efficiency is a subset of semi-strong form efficiency. 13. Taken at face value, this fact suggests that markets have become more efficient....

Ngày tải lên: 20/01/2014, 20:20

... σ 2 = (0.5)(0 - 1.025) 2 + (0.25)(1 - 1.025) 2 + (0.2)(2 - 1.025) 2 + (0.05)(7.5 - 1.025) 2 , or σ 2 = $2.812. b. Richard’s nickname is “No-risk Rick.” He is an extremely risk-averse individual. ... probabilities: σ 2 = (0.2)(125 - 80) 2 + (0.3)(100 - 80) 2 + (0.5)(50 - 80) 2 = $975. c. What would a risk-neutral person pay to play the lottery? A risk...

Ngày tải lên: 23/12/2013, 14:15

... revenue = PQ = ( 213. 3 – 1.3Q)Q, or 213. 3Q – 1.3Q 2 , and therefore, MR = 213. 3 – 2.6Q. Setting marginal revenue equal to marginal cost to determine the profit-maximizing quantity: 213. 3 – 2.6 Q ... have: MR A = 650 - 5Q A and MR B = 400 - 3.34Q B B B . To determine the profit-maximizing quantities, set marginal revenue equal to marginal cost in each market: 650...

Ngày tải lên: 20/01/2014, 20:20

... 1980 $2.98 1985 82.3 1985 $2.58 1990 100 1990 $1.99 1995 116.6 1995 $1.38 2000 131 .8 2000 $1.91 2001 135 .6 2001 $2.43 d. What is the percentage change in the real price (1990 dollars) ... and the Consumer Price Index from 1980 to 2001. ˇ 1980 1985 1990 1995 2000 2001 CPI 100 130 .58 158.62 184.95 208.98 214.93 Retail Price of butter $1.88 $2.12 $1.99 $1.61 $2.52 $3.30...

Ngày tải lên: 23/12/2013, 14:15

... implying 0.4 = d(18 /13) and -0 .4 = -b(18/23). So d = 0.29 and b = 0.51. Next solve for c and a: S c = c + dP and Q D = a - bP, implying 13 = c + (0.29)(18) and 23 = a - (0.51)(18). So c ... 0.6Q e =0.6(154 4-1 76P)=926. 4-1 05.6P. Graphically, export demand has pivoted inwards as illustrated in figure 2.5a below. Total demand becomes Q D = Q d + 0.6Q e = 1700...

Ngày tải lên: 23/12/2013, 14:15

... decreases. When she buys the 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 1 6- ounce size, she pays $0.14 ... 600 clothing and 600 food would cost ($3)(600)+($2)(600)=$3000. Therefore, the Laspeyres cost-of-living index is: L = 100($3000/$1200) = 250. Ideal Index 35 Chapter 3: Consumer Beha...

Ngày tải lên: 23/12/2013, 14:15

... P 2 Q 2 - P 1 Q 1 Δ TR cc = (1.1P 1 )(0.8Q 1 ) - P 1 Q 1 = -0 .12P 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 ... the increase in the price of the toll from $5 to $7. The lost consumer surplus is ( 7-5 )*16+0.5( 7-5 )(2 0-1 6)=$36. 14. Vera has decided to upgrade the operatin...

Ngày tải lên: 23/12/2013, 14:15

... case? a. A firm can hire only full-time employees to produce its output, or it can hire some combination of full-time and part-time employees. For each full-time worker let go, the firm must ... Variable Input 0 0 ___ ___ 1 225 225 225 2 600 375 300 3 900 300 300 4 1140 240 285 5 136 5 225 273 6 135 0 -1 5 225 4. A political campaign manager has to decide whether to emphasize...

Ngày tải lên: 23/12/2013, 14:15

... the reverse. For example, let a = 0, b = 1, c = -1 , d = 1. Total cost is Q - Q 2 + Q 3 ; average cost is 1 - Q + Q 2 ; and marginal cost is 1 - 2Q + 3Q 2 . Minimum average cost is Q = 1/2 and ... implying b > c 2 4d . Because c 2 >0 and d > 0, b must be positive. In summary, for U-shaped long-run average cost curves, a must be zero, b and d must be positive,...

Ngày tải lên: 23/12/2013, 14:15

... 0 60 0 100 -1 00 150 -1 50 200 -2 00 1 60 60 150 -9 0 50 200 -1 40 250 -1 90 2 60 120 178 -5 8 28 228 -1 08 278 -1 58 3 60 180 198 -1 8 20 248 -6 8 298 -1 18 4 60 240 212 28 14 262 -2 2 312 -7 2 5 60 300 ... 50 π P = 50 0 60 0 100 -1 00 0 -1 00 1 60 60 150 -9 0 50 60 50 50 -1 00 2 60 120 178 -5 8 28 60 100 50 -7 8 3 60 180 198...

Ngày tải lên: 23/12/2013, 14:15