PROBLEM SET 4 1) Consider the following utility functions‚ where W is wealth: (a) U (W ) = W 2 1 (b) U (W ) = W (c) U (W ) = −W (d) U (W ) = W (e) U (W ) = ln(W ) (f) U (W ) = W 1−γ ‚ with γ = 2 1−γ How likely are each of these functions to represent actual investor preferences? Why? 2) Suppose investors have preference described by the following utility function with A > 0: U = E(r) − 1 Aσ 2 2 Each investor has to choose between three portfolios with the following characteristics:
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CEO Alan Mulally is known for starting meetings by saying “Data will set you free” and for trying to change Ford’s culture to one that is based on increased accountability‚ more information sharing‚ and hard metrics. “You can’t manage a secret‚” he is also fond of saying. Although it’s not clear whether Mulally’s approach will work at Ford‚ which is known for its self-contained fiefdoms where little information is shared‚ some companies have found that managing people according to hard metrics has
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CS578/STAT590: Introduction to Machine Learning Fall 2014 Problem Set 1 Joon Hee Choi Handed In: 09/14/2014 Review Questions 1. 2. 3. • ∂f ∂x = 6x − y − 11‚ ∂f ∂y • ∂f ∂x = 6x − y − 11 = 0‚ = 2y − x ∂f ∂y = 2y − x = 0 ⇒ x = 2‚ y = 1 ⇒ (x‚ y) = (2‚ 1) • (a) n = 2 w1 x1 and x = . Then‚ w2 x2 wT x + b = w1 x1 + w2 x2 + b = 0 ⇒ −x1b + Let w = w1 x2 − wb =1 2 (b) n = 3 w1 x1 Let w = w2 and x = x2 . Then‚ w3 x3 T w x + b = w1 x1 + w2 x2 + w3 x3 + b = 0 ⇒ −x1b + −x2b
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Problem Set 1 Name: Christen Brown Problem Set 1 is to be completed by 11:59 p.m. (ET) on Monday of Module/Week 2. 1. Based on the information provided for the market for video games‚ answer the following questions. PRICE Q DEMANDED Q SUPPLIED $50 5 9 $45 7 7 $40 9 5 $35 11 3 $30 13 1 a.) Draw and properly label the demand and supply graphs (this means you must label the axes and any lines you include on the graph). b.) What is the equilibrium price and quantity? a.) b.) PRICE: $45.00
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Problem Set 1 Ben Polak‚ Econ 159a/MGT522a. Four Questions due September 19‚ 2007. 1. Strictly and Weakly Dominated Strategies? What is the de nition of a strictly dominated strategy? What is the de nition of a weakly dominated strategy? Give an example of a two-player game matrix where one player has three strategies‚ one of which is strictly dominated; and the other player has three strategies‚ one of which is weakly (but not strictly) dominated. Indicate the dominated strategies. 2. Iterative
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Problem Set 2 Complete all questions listed below. Clearly label your answers 1. What impact would a change that shifts an economy’s production possibilities curve outward have on the long run aggregate supply curve? How have improvements in computer technology affected production possibilities and the long run aggregate supply curve? Explain Answer: Growth of population and the labor-force participation rate Capital accumulation Improvements in technology 2
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Problem Set 3 for Group 3 ZHAO XUAN 13103465D CHAN YUET CHING 13087084D ZHOU YONG MEI 13102452D Question 1 Exporting used batteries to Mexico Lead US High standard Mexico Weak law and control $0.05 per pound $0.42 per pound Business ethics the accepted principles of right or wrong gov erning the conduct of individuals engaged in business activities 1 (a) Are US companies that export used batteries to Mexico and follow local regulations in their acting in a socially and ethically
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Data will set you free This case study is about free scale Semiconductor Company who deals in computer chips in Austin Texas. It has over 24‚000 employees in 30 countries. It starts by quoting Allan Mulalley the CEO of Ford who use to say “data will set you free” at the start of meetings and also “ you can’t manage a secret” In order to change the culture of Ford where little information is shared among others to one based on increased accountability‚ more information sharing and hard metrics
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Calculate the budgeted cost of trophies and plaques if Tarquin allocated overhead costs in each department using activity-based costing. 4. Explain how the disaggregation of information could improve or reduce decision quality. Problem E 1 Overhead rate = Total overhead 56‚346 0.712113744 71.211% Total Direct costs $79‚125 Tarquin’s Trophies Budgeted Information For the Year Ended November 30‚ 2011 Forming Department Trophies Plaques Total Direct materials
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Make up two different story problems for 36 divided by 9. Create one problem as a measurement problem and one as a partition problem. Measurement Lucas had 36 tacos. He puts them into bags containing 9 tacos each. How many bags did Lucas use? There are 4 bags total Partition Problem: Jake paid 36 dollars for 9 bananas. What was the cost of 1 banana? Why is the use of keywords not a good strategy to teach children? When students are taught the keyword approach‚ it encourages them to ignore the
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