Quantitative Methods for Economics Tutorial 12 Katherine Eyal TUTORIAL 12 25 October 2010 ECO3021S Part A: Problems 1. State with brief reason whether the following statements are true‚ false or uncertain: (a) In the presence of heteroskedasticity OLS estimators are biased as well as inefficient. (b) If heteroskedasticity is present‚ the conventional t and F tests are invalid. (c) If a regression model is mis-specified (e.g.‚ an important variable is omitted)‚ the OLS residuals will show a distinct
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live in a world where the variety of food is immense‚ and we decide what we eat and how it will affect our bodies. As a reason‚ flavor‚ health benefits‚ and cost are the differences between eating fresh foods and canned foods. The most notable difference between these two kinds of foods is their flavor. Fresh foods have great flavor and taste because they keep all their natural conditions. In contrast‚ canned foods lack a lot of its flavor characteristics because there are some other chemical products
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The Benefits of Exercise If you want to feel better‚ live longer and have more energy then you should consider the health benefits of exercise. The health benefits of exercise do not discriminate against age‚ sex‚ race or religion. They are there for the taking if a person is willing to put forth the effort. Exercise can minimize or in some cases even help in eliminating certain health issues or risks such as high blood pressure‚ obesity‚ diabetes‚ poor circulation‚ high cholesterol‚ fatigue‚ decreased
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Exercise 8: Range/Endurance Givens Conditions: Gross Weight for Beginning of Cruise = 300‚000 lbs Gross Weight at End of Cruise = 200‚000 lbs Altitude = FL350 Standard Conditions Wing Area = 3050 ft2 Wing Span = 156 ft Wing Efficiency = .75 CDp = 0.0119 Twin turbofan engines Figure 2.1 Figure 6.5 Figure 13.2 No need to take into account Temperature Ram Rise 1. Find Equivalent Airspeed‚ True Airspeed‚ and Mach for best range at FL350 and Sea Level at W = 300‚000 lb. (Use Figure 13.2 and Equations
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The Importance of Exercise Exercising is a key component of living a healthy life. “Regular exercise is necessary for physical fitness and good health. It reduces the risk of heart disease‚ cancer‚ high blood pressure‚ diabetes and other diseases. In my generation exercising can be over looked.”(Why is) People seem to be consumed more with television shows‚ fast food‚ and other unhealthy activities. “The average American watches three and a half hours of television every day. That adds up to 56
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To: Human Resources Director From:‚ Student Date: February 14‚ 2007 Problem Victoria Oilfield Equipment is looking to open a new facility in Nigeria and needs to hire a new manager to get the facility up and running. Cause Since Victoria Oilfield is growing in the international market‚ the new Port Harcout facility in Nigeria needs a leader to aid in its start. Some of the challenges that Victoria Oilfield will face while searching for a good managerial candidate are lack of job knowledge
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CHAPTER 1 Understanding the issues 1. (a) horizontal combination—both are marine engine manufacturers (b) vertical combination—manufacturer buys distribution outlets (c) conglomerate—unrelated businesses 2. By accepting cash in exchange for the net assets of the company‚ the seller would have to recognize an immediate taxable gain. However‚ if the seller were to accept common stock of another corporation instead‚ the seller could construct the transaction as a tax-free reorganization
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Name Mole Lab Exercises I. Pre Lab Questions Answer the following questions. (Hint: Your textbook will be helpful.) 1. ‘s number is the number of carbon atoms that are present in 12 g of 12C. 2. How many molecules of a compound are in one mole of that compound? 3. Write out the formula for finding percent by mass. 4. Write out the formula for finding Molarity. 5. The Formula Weight of a compound is equal to mole of that compound.
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Benefits of Exercise Everyone knows that exercise is good for them. The question is how good? Exercise can work wonders to improve many aspects of one’s life. Regardless of one’s age‚ sex or physical ability the benefits show. Getting exercise regularly can have a copious amount of positive effects on the mind and body. Regular fitness can help with weight management‚ promote deeper sleep‚ positive mood‚ self-esteem‚ higher energy levels‚ better sex-life‚ and‚ last but not least‚ it is a fun part
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Don Petersen Week 1 Exercises 12) Write C++ statements that accomplish the following: a) Declare int variables x and y. Initialize x to 25 and y to 18. int x‚ y; x = 25; y = 18; b) Declare and initialize an int variable temp to 10 and a char variable ch to ‘A’. int temp = 10; char ch = ‘A’; c) Update the value of an int variable x by adding 5 to it. x += 5; d) Declare and initialize a double variable payRate to 12.50. double payRate = 12.50; e) Copy the value of an int variable
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