Business Programs Economics- Homework Set 4 Dr. Demetri Tsanacas 1. When the price of compact discs (CDs) increased from 10 to 11‚ the quantity of CDs demanded decreased from 100 to 87. What is the price elasticity of demand for CDs Is demand elastic or inelastic 2. Explain why the demand for residential natural gas (gas used for heating‚ cooling‚ and cooking) is more elastic than the demand for residential electricity. 3. Would you expect the demand for a specific brand of running
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1 1 2 3 C Motion I 7 (a) From 1 January 2009 to 10 January 2009‚ the watch runs slower than the actual time by 9 minutes. Therefore‚ when the actual time is 2:00 pm on 10 January 2009‚ the time shown on the watch should be 1:51 pm on 10 January 2009. Practice 1.1 (p. 6) D (a) Possible percentage error 10 −6 = × 100% 24 × 3600 = 1.16 × 10 % 1 (b) = 1 000 000 days 10 −6 –9 It would take 1 000 000 days to be in error by 1 s. (b) Percentage error 9 = × 100% 9 × 24 × 60 = 6.94 × 10–2%
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relationship between machine hours and power cost? 2. Using the high and low points‚ compute a power cost formula. 3. Use the method of least squares to compute a power cost formula. Evaluate the coefficient of determination. 4. Rerun the regression‚ and drop the point (20‚000‚ $26‚000) as an outlier. Compare the results from this regression to those for the regression in Requirement 3. Which is better? SOLUTION: 1. [pic] The overall relationship looks reasonably linear—although the
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monopoly: the most efficient scale of production is so large‚ relative to market demand‚ that a single firm dominates the market. Patents‚ copyrights‚ licenses‚ and franchises: government protection of a firm’s right to produce a unique product. Economic and/or legal restrictions‚ strategies or situations that make entry more difficult for new competitors than for the existing monopoly firm. Natural Monopolies: Goods and services whose delivery requires the construction of a physical network (wires
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GRADE 9/9 Lind Chapter 9; Exercise 12 The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds. a. What is the value of the population mean? What is the best estimate of this value? The value of population mean is unknown. The best estimate of this value is the sample mean of 60 pounds. b. Explain why we need to use the t distribution. What assumption
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UNIT 1 – FUNDAMENTAL PROBLEMS OF ECONOMIC SYSTEMS 1.1 INTRODUCTION In this unit you will get acquainted with the fundamental problems of the economy. The understanding of the concept will help you bring closer to the basic idea of the economy’s problems as well as remedies of such problems. In this unit you will get detailed description of what is an economic system‚ problems of economic system‚ factors of production‚ concept of production possibility curve‚ and the fundamental of allocation of resources
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Name: _______________________ Team: _______________________ AP Macro Problem Set #2 Unit 2: Measurement of Economic Performance 1. (_____/15) Article Analysis Read each of these current articles and identify three different concepts we learned that are mentioned. Define and summarize what is being said for each concept that you identify. a. GDP Article (_____/5) b. Unemployment Article (_____/5) c. Inflation Article (_____/5) 2. ( ____/15 Points) Gross Domestic Product
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Economics 370 Microeconomic Theory Problem Set 6 Answer Key 1) Describe the effects on output and welfare if the government regulates a monopoly so that it may not charge a price above p‚ which lies between the unregulated monopoly price and the optimally regulate price (determined by the intersection of the firm’s marginal cost and the market demand curve). As usual‚ the monopoly determines its optimal output on the basis of MR = MC. Here‚ however‚ it cannot charge a price in excess of p*. So
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Socio-economic issues in India Overpopulation India suffers from the problem of overpopulation. The population of india is very high- 345 million approx. [1][2][3] Though India ranks second in population‚ it ranks 33 in terms of population density below countries such as The Netherlands‚ South Korea and Japan. There is a lot of problems which arise due to such a large population. Problems such as unemployment ‚ excessive pressure on environment‚ social infrastructure and the most important food availability
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Descriptive Statistics and Probability Distribution Problem Sets Emily Noah QNT561 Anthony Matias December 24‚ 2012 Descriptive Statistics and Probability Distribution Problems Sets Descriptive statistics and probability distribution is two ways to find information with certain data giving. In Descriptive statistics the data can give a mode‚ mean‚ median‚ and range by the numerical information‚ which is giving to find the information. In probability distribution the data is collected and
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