Perfect Competition: 1. Same product + No barriers to entry + No NPCF easy to switch. 2. Increase P slightly above market P‚ no sales demand is perfectly elastic. 3. D curve is horizontal at the P determined by the intersection of market S&D curves Profit Maximzing decision 1. Since MR=MC 2. Set P (price) = MC 3. MR curve = Demand curve 4. Firms can sell all they want at this market price Q* is the profit maximizing level of output. 1.For output < Q*‚ P < MC. Increase output
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Econ 101 practice question for Exam 1 (answer key at the end) 1. Each month Jacquelyn spends exactly $50 on ice cream regardless of the price. Jacquelyn’s price elasticity of demand for ice cream is: A) zero. B) one. C) greater than one. D) less than one‚ but greater than zero. 2. Egg producers know that the elasticity of demand for eggs is 0.1. The hens went crazy and laid 5% more eggs than usual. To sell all those additional eggs‚ they will have to lower price by: A) B) C) D) 0
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The History of Police CJA/214 January 24‚ 2013 The History of Police Throughout the history capital offenses‚ such as murder and rape have been a serious issue in the United States. The government has emplaced certain departments across the nation from the first formation of America‚ to combat the misconducts within
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ECON 248 Assignment 2 1. The bank rate is the interest rate at which the Bank of Canada stands ready to lend reserves to chartered banks. The banker ’s deposit rate is the interest rate that the Bank of Canada pays banks on their deposits at the Bank of Canada. Changes to these rates by the Bank of Canada typically spread to other interest rates and therefore will influence the amount of lending done by the banks. An open market operation is the purchase or sale of government securities‚ which
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Tri Vi Dang Email: td2332@columbia.edu Columbia University Spring 2013 Corporate Finance (ECON W4280) Meeting time: Tu‚ Th 4.10-5.25 Meeting place: Hamilton 503 Office address: IAB 1032 Office hours: Th 11.00-12.00 and other times by appointment Course Description The aim of this introductory course in corporate finance is to provide students with fundamental concepts for understanding firms’ financing decisions and the basic tools for the valuation of a corporation. This course
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Microeconomic Analysis – Situation C Econ 545 Introduction Edgar is an investor who sees the high gas prices as a chance to make money from American consumers and their constant demand of gasoline‚ and soon a large demand from increasing car sales in India and China. Over the past several years the increase in crude oil price resulted in a drastic increase in gasoline prices setting record highs every summer. Consumers had to change their way of living‚ and savvy investors saw this as an opportunity
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firm behavior. The section on macroeconomics covers growth‚ business cycles and open economies. Real life examples are used to critique the theories and concepts. While the course prepares the Econ-major students to enroll in higher level Economics subjects in the School‚ it also equips the non-Econ major
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Hung Truong Professor Tayman Econ 125‚ research paper As a foreigner coming to the United States to pursue education‚ I found the idea of Social Security System very fascinating. The US government gives its citizens a mean to guarantee their retirement. Indeed‚ empirical evidences suggest that Social Security is one of America’s most successful programs. It has helped millions of Americans avoid poverty after retirement. Just like any system/machine working constantly for a long period‚ the Social
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ECON 301 — Tutorial 4 Problems for today (from the Workout Book) Problem 4.9 (except d and e) Problem 4.12 Problem 5.1 Problem 5.2 Problem 5.3 H. K. Chen (SFU) ECON 301 — Tutorial 4 October 2‚ 3 1 / 15 Problem 4.9 (a)–(g) Suppose that the utility functions u(x‚ y ) and v (x‚ y ) are related by v (x‚ y ) = f (u(x‚ y )). In each case below‚ write “Yes” if the function f is a positive monotonic transformation and “No” if it is not. (Hint for calculus users: A differentiable function
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Determine the profit maximizing level of output (where MR=MC). 2. Calculate total revenue = Price x Quantity 3. Calculate total cost = ATC x Quantity (ATC is always U Shaped) 4. Compare TR + TC If TR > TC then Econ. Profits If TC > TR then Econ. Losses If TR = TC then Zero Econ. Profits 5. Models on next page. Section 12.4:
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