Weekly Homework 9: Detection of Heteroskedasticity 1. Heteroskedasticity (1 point each) 1) Carefully explain the difference between pure and impure heteroskedasticity and their consequences in OLS. Answer: -Pure heteroskedasticity is caused by the error term of the correctly specified equation. Impure heteroskedasticity is caused by a specification error such as an omitted variable. -Pure heteroskedasticity does not cause bias in the coefficient estimates. However‚ it typically causes
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Chapter 1: Page 20; Questions - 4‚ 7‚ 9‚ 10‚ 11 4) What are the key elements of the scientific method and how does this method relate to economic principles and laws? The key elements of the scientific method are the observation of real world behavior and outcomes. Based on those observations‚ formulating a possible explanation of cause and effect which is a hypothesis. Next‚ testing this explanation by comparing the outcomes of specific events to the outcome predicted by the hypothesis. Then‚ accepting
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of specific goods and services Gross Domestic Product (GDP) Unemployment Inflation Research data sets for the 1 economic concern within the South American country that you have chosen. In a 3–4 page report‚ answer the following questions: What are relationships between the economic concern you selected and that specific country’s economy? What trends do you see in the data sets? Support your assertions of the trends with statistical evidence. Cite all of your sources correctly
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Econ 302 Exam 2 McLeod Name (please print): __________________________________________________________ Penn State ID #: __________________________________________________________ Please write all answers in the spaces provided. Please show your work in order to receive any partial credit on this exam. 1. (16 points) Suppose a firm has a production function given by Q = L1/2K1/2. Therefore
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SOC 201 – Final Study Sheet This is a study sheet and not an all-inclusive review. A majority of what you need to know is on here but you are also responsible for the materials covered in the readings that we did not discuss in class‚ as well as the films‚ and online articles. I suggest you study the reviews at the end of each chapter in the book‚ and take the practice tests. Good luck! What is the difference between sex and gender? What is sexuality? Sexual orientation? Sex: The biological
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Southern California Econ 513 Spring 2012–2013 Prof. Sakata Final Examination Date: Tuesday‚ April 14‚ 2013 Instruction: (a) This is a two-hour‚ closed-book exam. Put away everything but pens‚ pencils‚ erasers‚ and a numeric calculator. (b) Write your name and student ID on the front pages of the exam and its appendix‚ and continue to read this instruction. Do NOT look at other pages‚ however‚ until you are told to start to write the exam. (c) Solve all problems. (d) Fully justify each
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Chapter 2 Homework Set 1. Indicate what types of resources each of the following is: a. Capital b. Land c. Entrepreneur d. Labor 2. If money GDP increased by 4 percent and the price level increases by 1 percent‚ what is the approximate impact on per capita real GDP? e. 4 3. Which of the following products or services would be counted in US GDP when produced? f. No g. Yes h. Yes i. No 4. In 2003‚ Microsoft lowered the
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Sample Test Questions for ECON 102 with answers marked 1. Economics deals primarily with the concept of a. scarcity. b. money. c. poverty. d. banking. 2. The adage‚ "There is no such thing as a free lunch‚" means a. even people on welfare have to pay for food. b. the cost of living is always increasing. c. people face tradeoffs. d. all costs are included in the price of a product. 3. Government policies resulting in reduced efficiency include (i) the welfare system
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underapplied or overapplied overhead‚ and how is it treated at the end of a period? LO 3 What impact do different capacity measures have on setting predetermined overhead rates? LO 4 How are the high-low method and least squares regression analysis used in analyzing mixed costs? LO 5 How do managers use flexible budgets to set predetermined overhead rates? LO 6 How do absorption and variable costing differ? LO 7 How do changes in sales or production levels affect net income computed under absorption
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(M/P)^d = kY‚ where k is a constant parameter. The money supply grows by 12 percent per year‚ and real income grows by 4percent per year. a. To find the average inflation rate the money demand function is %growth Md − %growth P = %growth Y 12% - 4% = 8% b. Increase in real income growth will result in a lower average inflation rate. For example‚ if real income grows at 6% and money supply growth remains at 12%‚ then inflation falls to 6%. Here a larger money supply is required to support
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