... 15 Bàitập nhóm KinhTếLượng GVHD: Th.S Nguyễn Quang Cường*. Kiểm định phương sai thay đổi (dùng kiểm định White): Kiểm định mô hình gốc ban đầu: White Heteroskedasticity Test:F-statistic ... trợ giúp của EVIEWS, Khoa Toán Thống Kê, Bộ Môn Toán Kinh Tế, Trường Đại học Kinhtế TP HCM.SVTH: Nhóm Valley ĐHQTKD K08 4 Bàitập nhóm KinhTếLượng GVHD: Th.S Nguyễn Quang Cngã Bng hi quy ... định White:n.R2 = 8.113595 < χ2(0.05,26) = 38.88514: Chấp nhận Ho, nghĩa là phương sai của sai số không đổi.Kiểm định mô hình sau khi loại bỏ biến: (Bảng 9 phần Phụ lục)White Heteroskedasticity...
... U.S. All items 5 Chapter 1: Preliminaries 1 PART I INTRODUCTION: MARKETS AND PRICES CHAPTER 1 PRELIMINARIES Chapter 1: Preliminaries a. Calculate the real price of butter in 1980 ... like McDonald’s, Burger King, and Wendy’s operate all over the United States. Therefore the market for fast food is a national market. This statement is false. People generally buy fast food ... large distances across the United States just to buy a cheaper fast food meal. Given there is little potential for arbitrage between fast food restaurants that are located some distance from each...
... constructed. Note, however, that since demand is only 880,000 units, 450,000 units would go unrented. 7. In 1998, Americans smoked 470 billion cigarettes, or 23.5 billion packs of cigarettes. ... Calculate the price elasticity of demand when the price is $80 and when the price is $100. We know that the price elasticity of demand may be calculated using equation 2.1 from the text: Chapter ... data alone, estimate the short-run price elasticity of demand for roasted coffee. Derive a linear demand curve for roasted coffee. To find elasticity, you must first estimate the slope of the...
... both states maximize utility, will the marginal rate of substitution of peaches for avocados be the same for consumers in both states? If not, which will be higher? The marginal rate of substitution ... marginal rate of substitution equal to the 29 Chapter 3: Consumer Behavior PART II PRODUCERS, CONSUMERS, AND COMPETITIVE MARKETS CHAPTER 3 CONSUMER BEHAVIOR EXERCISES 1. In this chapter, ... The budget line has changed its slope and become flatter if we place used books on the horizontal axis. b. Is Antonio worse or better off after the price change? Explain. The first year he bought...
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... the state would do about the lottery? In the long run, the state lottery will be bankrupt! Given the price of the ticket and the probabilities, the lottery is a money loser. The state must ... date. Chapter 5: Uncertainty and Consumer Behavior 77 If drivers are risk neutral, their behavior is only influenced by the expected fine. With two meter-monitors, the probability of detection ... of deterrence against illegal parking at the minimum cost? 76 Chapter 5: Uncertainty and Consumer Behavior The expected value of the lottery is equal to the sum of the returns weighted by...
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... $45,000 per 1,000 units. The cost of interest (i) also enters into the equation. Each one-point increase in the interest rate raises costs by $3,000. Write the new cost equation. Fixed cost ... cost function, which relates its average cost of production AC to its cumulative output in thousands of computers Q and its plant size in terms of thousands of computers produced per year q, ... If the marginal rate of technical substitution is KL, find the optimal level of capital and labor required to produce the 140 units of output. Set the marginal rate of technical substitution...
... industry: Formatted: Bullets and NumberingFormatted: Bullets and NumberingDeleted: ,Deleted: ,Deleted: and the cost of x Deleted: , write down the Deleted: some Chapter 8: Profit Maximization ... the polluters exit and non-polluters enter the industry, revenues from polluters decrease and the subsidy to the non-polluters increases. This imbalance occurs when the first polluter leaves ... the polluters, the price after the sales tax is below long-run average cost; therefore, in the long run, they will exit the industry. Furthermore, after the subsidy, the non-polluters earn...
... the United States plans to reduce this tariff to zero. Threatened by this change, the U.S. industry is seeking a Voluntary Restraint Agreement that would limit imports into the United States to ... - 2P, or P = $15. Formatted: Bullets and NumberingFormatted: Bullets and NumberingFormatted: Bullets and NumberingFormatted: Bullets and Numbering Chapter 9: The Analysis of Competitive ... Chapter 9: The Analysis of Competitive Markets 124 6. In Exercise 4 of Chapter 2, we examined a vegetable fiber traded in a competitive world market and imported into the United States at...
... vertical intercept but twice the slope, or MR = 20 - 6Q2. To determine the profit-maximizing level of output, equate MR and MC2: 20 - 6Q2 = 10 + 5Q2, or QQ= =2091 Price is determined ... the expected profitability of the agricultural sector? If farm incomes are expected to fall, an increase in tractor prices induces a greater decline in demand than one would estimate with information ... marginal revenue, first rewrite the demand function as a function of Q so that you can then express total revenue as a function of Q, and calculate marginal revenue: Chapter 10: Market Power: Monopoly...
... dependent var 15.90958Adjusted R-squared 0.289184 S.D. dependent var 6.940899S.E. of regression 5.851867 Akaike info criterion 6.457907Sum squared resid 1027.330 Schwarz criterion 6.593953Log likelihood ... định White không tích chéo)Giả thuyết kiểm định: H0: mô hình 1 (MH1) không có phương sai sai số thay đổiH1: mô hình 1 (MH1) có phương sai sai số thay đổiKết quả kiểm định: White Heteroskedasticity ... thay đổiH1: mô hình 2 (MH2) có phương sai sai số thay đổiKết quả kiểm định: White Heteroskedasticity Test:F-statistic 0.682636 Probability 0.610574Obs*R-squared 2.954012 Probability 0.565551Theo...