2010: LECTURE 1 1 LECTURE 1: INTRODUCTION Course Objective Micro v. Macro Course Philosophy Syllabus and mechanics About me About you 2010: LECTURE 1 2 COURSE OBJECTIVE - fun! - to learn about what inputs get used up and who gets the output in a country which uses system based on markets. - does the market system give an outcome we like? What is a market? A system in which goods change hands at voluntarily-agreed prices. 2010: LECTURE 1 3 Must all countries have ?market economies?? No Big picture: - how US economy works. - why US won cold war - had ?better system?. 2010: LECTURE 1 4 Are we studying the right system? 2010: LECTURE 1 5 MICRO v. MACRO Micro - "small" - how decisions of many small agents, households and firms, come together to determine what happens and is it good? Macro - "big" - how total levels of output, unemployment, inflation and trade-levels are related. - how govt. should stabilize the economy 2010: LECTURE 1 6 COURSE OUTLINE Look at players in a market: - households - demand side - firms - supply side - how they interact to determine what happens - is it good? 2010: LECTURE 1 7 COURSE PHILOSOPHY I have the way of thinking. By lecturing, information placed in public arena - we can talk about it - not yet owned by you. To be owned by you, you need to use it: - ?I hear and I forget; I see and I remember; I do and I understand? (Confucius) - ?Learning by doing.? - examples "I do it, you do it" I do it - I go through material in class You do it - you work through Aplia problem sets over w/e - you do Recitation Problem Sets 2010: LECTURE 1 PRINCIPLES OF MICROECONOMICS (ECON 2010-100) Department of Economics, University of Colorado Spring, 2010 Classtime: M,W,F: 1:00-1:50 pm Room: CHEM 140 Professor: Charles de Bartolome Recitation instructor: Office hours: M 10:30-11:30am; Tu 9:15-10:15am Recitation place: Thurs 1:15 - 2:15 pm. Recitation time: Office: Econ 203. Office hours: e-mail: email@example.com Office: Textbook: Mankiw, N. Gregory, (2009), Principles of Microeconomics (5th Edition) WITH APLIA ACCESS. Southwestern/CENGAGE Learning. This book (with Aplia Access) is available either from the CU Bookstore ($178.50) or from the publishers direct ($162.49) at: https://www.ichapters.com/tl1/en/US/storefront/ichapters?cmd=AddProduct&Operation=Add&ISBN=032459 8920&addSKUQuantity=1&entityNumber=4330&cid=MS1447 Support Material: Each student must enroll in Aplia. In addition to providing additional learning materials, there will be weekly quizzes on Aplia which will be graded. ?Clickers? Each student must buy a i>clicker. If you do not already own one, an i>clicker may be purchased at the University of Colorado bookstore. Clickers will be used to promote faculty-student interaction. They will also be used to give class problems which will be scored. Clickers should be registered at: cuconnect.colorado.edu Course description: Microeconomics is about what goods get produced and at what prices they are sold. The individual must decide what goods to buy, how much to save and how hard to work. The firm must decide how much to produce and with what technology. The course explores how "the magic of the market" coordinates these decisions. In addition, the course considers such questions as: What is competition? Why is competition socially desirable? Is competition likely? How do firms behave in the absence of competition? 2010: LECTURE 1 Course Level: The course is an introductory course. No previous knowledge of economics is assumed. The student is, however, assumed to be able to solve simultaneous equations both graphically and algebraically. Course assignments and CULearn: All course assignments and some lecture notes are posted on the course page located at: http://culearn.colorado.edu . In the past, some students have had difficulty in downloading some of the pdf files posted on CULearn . ITS advises that this may be due to the large file sizes. ITS recommends that you open the Adobe Acrobat Reader. Then click as: Edit > Preferences> Internet and uncheck ?Allow Fast Web View?. Please note that six pages of each Adobe Acrobat file can be printed on a single sheet by clicking as: Print >Properties > layout > Pages per sheet. Attendance at class: Woody Allen once remarked: "90% of life is just turning up". The best way to learn the material is to attend class. Reading the lecture notes posted on the web is not a good substitute for attendance. Attendance at class is therefore required. Recitations: Recitations start w/c 18 Jan. Attendance at recitation is required. Recitations will go over the weekly problem set which is posted on CULearn. Before the recitation, you must attempt to work through the weekly problem set which is posted on CU Learn. The recitation will then review the problem set. The weekly problem set is designed to present problems at a deeper level than the Aplia quizzes. The format of the exams will be closer to the format of the weekly problem set than to the Aplia quizzes. Grading: There are two midterm exams, a final exam, in-class clicker questions, a weekly graded quiz on Aplia (1 st quiz due by 10 am on Monday 25 Jan), recitations, an experiment and a data collection exercise. The grade of the student will be determined as: 25% First Midterm, 25% Second Midterm, 25% Final, 8% In-class clicker questions 8% Aplia quizzes 8% Recitations 1% Experiment 2010: LECTURE 1 Concerning in-class clicker questions: a correct answer will receive 1 point and absences or incorrect answers will receive zero points. In calculating your total score for all in-class clicker questions, I will sum your scores for all days, omitting your three lowest daily scores. At the recitation, you are required to hand in your answers to the problem-set; if your answer shows evidence of effort (it need not be correct), you will receive a score of 1 for that week. If you are not present at the recitation, or if you do not hand in an answer or if your answer shows no evidence of effort, you will receive a score of zero for that week. In calculating your total score for recitations, I will omit your two lowest weekly scores. The data collection exercise is Pass/Fail. If an attempt at the data collection exercise is not handed in by the date due, your course score will be lowered 1% . If the exercise is not passed by the day of the exam, you will be graded Fail. If you subsequently pass the exercise within 6 months after the final, your grade will be changed to the grade earned in the midterms, the final, the in-class clicker questions, the Aplia quizzes, the recitations, the experiment, and the penalty (if applicable). If you do not pass the exercise within 6 months after the final, your grade will remain permanently as Fail. Classroom courtesy: Please turn your cell ?phone off prior to the start of class. I believe that learning is enhanced if there is full concentration by both the instructor and the student. Therefore, usage of laptop computers in class is restricted to following the course notes. To facilitate this, laptops may only be used in the front three rows of the classroom. Difference with other sections: I expect this section to go slower, cover fewer topics and put more emphasis on analysis than other sections. Exams: The two midterms will be given in the evening as: FIRST MIDTERM: Monday, 15 Feb 7:00 - 9:00 p.m. in CHEM 140 SECOND MIDTERM: Wednesday 17 Mar 7:00-9:00pm in CHEM 140 The final exam will be held as: FINAL: Wednesday 5 May 4:30-7:00pm in CHEM 140 You must bring a blue-book to each exam. 2010: LECTURE 1 Failure to be present at an exam: If you fail to be present at an exam (unless you are ill and have a medical note from your doctor, or unless before the exam I have granted you permission to take a make-up exam), you will earn a score of 0 in the exam. Students with Special Needs: If you qualify for accommodations because of a disability, please submit to me a letter from Disability Services (DS) in a timely manner so that your needs may be addressed. DS determines accommodations based on documented disabilities. Contact:303-492-8671, Willard 322 and www.Colorado.EDU/disabilityservices . Harassment Policy: The University of Colorado at Boulder policy on Discrimination and Harassment ( http://www.colordo.edu/policies/discrimination.html , the University of Colorado policy on Sexual Harassment and the University of Colorado policy on Amorous Relationships) applies to all students, staff and faculty. Any student, staff or faculty member who believes s/he has been the subject of discrimination or harassment based on race, color, national origin, sex, age, disability, religion, sexual orientation, or veteran status should contact the Office of Discrimination and Harassment (ODH) at (303) 492-2127 or the Office of Judicial Affairs at (303) 492-5550. Information about the OSH and the campus resources available to assist individuals regarding discrimination or harassment can be obtained at: http://www.colorado.edu/odh Religious Observances: Campus policy regarding religious observances requires that faculty make every effort to reasonably and fairly deal with all students who, because of religious obligations, have conflicts with scheduled exams, assignments or required attendance. In this class, please let me know in a timely manner if one of the exam dates falls on a religious holiday you intend to observe and I will arrange for you to take a make-up. See policy details at: http://www.colorado.edu/policies/fac_relig.html Classroom Behavior: Students and faculty each have responsibility for maintaining an appropriate learning environment. Students who fail to adhere to behavioral standards may be subject to discipline. Faculty have the professional responsibility to treat students with understanding, dignity and respect, to guide classroom discussion and to set reasonable limits on the manner in which students express opinions. Professional courtesy and sensitivity are especially important with respect to individuals and topics dealing with differences in race, culture, religion, politics, sexual orientation, 2010: LECTURE 1 gender variance, and nationalities. Class rosters are provided to the instructor with the student's legal name. I will gladly honor your request to address you by an alternate name or gender pronoun. Please advise me of this preference early in the semester so that I may make appropriate changes to my records. See policies at http://www.colorado.edu/policies/classbehavior.html and at http://www.colorado.edu/studentaffairs/judicialaffairs/code.html#student_code Academic Integrity: All students of the University of Colorado at Boulder are responsible for knowing and adhering to the academic integrity policy of this institution. Violations of this policy may include: cheating, plagiarism, aid of academic dishonesty, fabrication, lying, bribery, and threatening behavior. All incidents of academic misconduct shall be reported to the Honor Code Council ( firstname.lastname@example.org ; 303-725- 2273). Students who are found to be in violation of the academic integrity policy will be subject to both academic sanctions from the faculty member and non- academic sanctions (including but not limited to university probation, suspension, or expulsion). Other information on the Honor Code can be found at: http://www.colorado.edu/policies/honor.html and at: http://www.colorado.edu/academics/honorcode/ Course outline: A list of topics to be covered and likely dates is shown on the next pages: 2010: LECTURE 1 Date Topic Chapter 11, 13 Jan INTRODUCTION 1 Eleven Big Ideas Scarcity. Trade-off. Opportunity cost. Economics as a social science. 15 Jan THINKING LIKE AN ECONOMIST 2 Positive and normative. Circular flow model. Production possibility model. 20, 22 Jan GAINS FROM TRADE 3 Comparative advantage. Specialization. Mutual gains from trade. 25, 27, 29 Jan DETERMINATION OF THE MARKET PRICE 4 Competitive markets. (pp. 63-78) Individual and market demand curves. Individual and market supply curves. Equilibrium: Law of Supply and Demand. 1 Feb CHANGES IN MARKET CONDITIONS 4 Shifts in the demand curve: substitutes and complements. (pp. 78-85) Shifts in the supply curve. 3, 5 Feb INTERFERING WITH THE MARKET MECHANISM 6 Coordinating role of prices. (pp. 113- 123) Inelastic = steep, Elastic = flat. Price-ceiling and price-floors. 2010: LECTURE 1 8, 10, 12 Feb HOUSEHOLD DECISION-MAKING: BENEFIT MAXIMIZATION 7 Benefit = willingness to pay. (pp. 137-142) Consumer surplus and pp. 457-459 Scarcity: budget line. Decision-making: marginal changes. Marginal benefit. Purchase decision rule: ?marginal benefit = price? rule Consumer demand curve = marginal benefit curve. Individual net benefit (individual consumer surplus) 15 Feb In-class: Review 7:00-9:00 pm FIRST MIDTERM 17 Feb HOUSEHOLD DECISION-MAKING AND SOCIETAL GAINS Society?s Marginal Benefit Society?s Net Benefit (society?s consumer surplus) 19, 22 Feb FIRM DECISION-MAKING AND SOCIETAL GAINS 7 Marginal changes (pp. 143-146) Marginal cost Production decision rule: ?marginal cost = price? rule Operating profit (producer surplus), marginal operating profit. 24, 26 Feb EVALUATING THE MARKET OUTCOME 7 Market efficiency: First Fundamental Welfare Theory. (pp. 147-154) Limitations: equity. and pp. 433-436 1, 3 Mar APPLICATION OF MARKET EFFICIENCY 9 International trade. (pp.177-182, 186-195) 5 Mar No class 8, 10, 12, 15 Mar FIRMS: PRODUCTION AND COSTS 13 Distinguishing accounting and economic costs. (pp. 267-279) Production function, diminishing marginal product. Marginal Cost, increasing marginal cost. Fixed and Variable Costs. Average and Marginal Costs. Relationship between Average and Marginal Costs 17 Mar In-class: Review 7:00-9:00 pm SECOND MIDTERM 2010: LECTURE 1 19 Mar FIRM DECISION-MAKING: PROFIT MAXIMIZATION 14 Profit maximization (pp. 289-292) Marginal revenue. Entry Competitive firm?s demand curve is horizontal Short-run and long-run 29, 31 Mar, 2 Apr FIRM DECISION-MAKING: COMPETITIVE FIRM 14 Presence rule of existing firm: (pp. 292-300) ?produce if price >= min average variable cost" rule. Presence rule of new firm: "enter if price >= min average total cost" rule Level rule: "produce till marginal cost = price" Firm supply curve in short-run and long-run. 5, 7 Apr MARKET ADJUSTMENT 14 Short-run market supply curve is upward sloping. (pp. 301-304) Long-run market supply curve is horizontal. In long-run: price = min average cost. . Market dynamics in the short-run and in the long-run. 9, 12, 14, 16 Apr MARKET FAILURE: MONOPOLY 15 Monopoly demand curve is downward sloping. (pp. 311-326, 332-338) Monopoly: marginal revenue < price. Monopoly output choice: ?marginal revenue = marginal cost? rule. Natural process of innovation, profits and entry. Inefficiency: deadweight loss. Public policy discussion. 19, 21, 23,26 Apr MARKET FAILURE: EXTERNALITIES 10 Divergence of group and individual incentives. Public policy discussion 28 Apr INPUT MARKET: LABOR 18 Labor Demand: ?wage=value of marginal (pp. 391-404, 409) product of labor? rule Labor Supply Market equilibrium 30 Apr Review 2010: LECTURE 1 5 May 4:30-7:00pm FINAL EXAMUS 2010: LECTURE 1 17 ABOUT ME Children sickness may mean I miss class. ABOUT YOU debartol C:\Users\debartol\Documents\classes\econ 2010 micro principles\2010 lectures without clicker questions\2010 lecture 1.wpd
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