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...Economics 101 Professor Wallace Spring 2008
Homework #2
1. Each point on the demand curve reflects a. all the wants of a given household. b. the highest price consumers are willing and able to pay for that particular unit of a good. c. the highest p...
...Economics 101 Professor Wallace Spring 2008
Homework #3
1. California supplies the US with 80% of its eating oranges. In late 1998, four days of freezing temperatures in the states Central Valley substantially damaged the crop. In early 1999, Food L...
...Economics 101 Professor Wallace Spring 2008
Homework #4
1. A firm uses only two inputs, labor and capital, to manufacture widgets. The firms production function is given by
Q = F ( K , L ) = K 0.5 L0.5 ,
a. Define the production function what inf...
...Economics 101 Professor Wallace Spring 2008
Homework #5
In part 1.i of the last homework assignment you were asked to assume there were 1000 identical firms operating in a perfectly competitive market. The firms shared common marginal costs of
1 mc...
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Maryland >> GEOL >> 08 (Fall, 2008)
Available online at www.sciencedirect.com Chemical Geology 247 (2008) 124 132 www.elsevier.com/locate/chemgeo Oxidation of pyrite during extraction of carbonate associated sulfate Pedro J. Marenco a, Frank A. Corsetti a , Douglas E. Hammond a , Al...
Maryland >> GEOL >> 08 (Fall, 2008)
This article was published in an Elsevier journal. The attached copy is furnished to the author for non-commercial research and education use, including for instruction at the authors institution, sharing with colleagues and providing to institution ...
Maryland >> GEOL >> 07 (Fall, 2008)
NATURE|Vol 450|6 December 2007 NEWS & VIEWS factors in V. cholerae. But this idea raises possible public-health issues: the activation of quorum sensing in V. cholerae also induces active movement of the bacterium, potentially mobilizing the pathog...
Maryland >> GEOL >> 07 (Fall, 2008)
Late Archean Biospheric Oxygenation and Atmospheric Evolution Alan J. Kaufman, et al. Science 317, 1900 (2007); DOI: 10.1126/science.1138700 The following resources related to this article are available online at www.sciencemag.org (this information ...
Maryland >> GEOL >> 07 (Fall, 2008)
A Whiff of Oxygen Before the Great Oxidation Event? Ariel D. Anbar, et al. Science 317, 1903 (2007); DOI: 10.1126/science.1140325 The following resources related to this article are available online at www.sciencemag.org (this information is current ...
Maryland >> GEOL >> 07 (Fall, 2008)
ASTROBIOLOGY Volume 7, Number 4, 2007 Mary Ann Liebert, Inc. DOI: 10.1089/ast.2006.0098 Special Paper Ultrastructural and Geochemical Characterization of ArcheanPaleoproterozoic Graphite Particles: Implications for Recognizing Traces of Life in Hig...
Maryland >> GEOL >> 07 (Fall, 2008)
This article was published in an Elsevier journal. The attached copy is furnished to the author for non-commercial research and education use, including for instruction at the authors institution, sharing with colleagues and providing to institution ...
Maryland >> GEOL >> 07 (Fall, 2008)
Earth and Planetary Science Letters 258 (2007) 486 499 www.elsevier.com/locate/epsl Oxidative forcing of global climate change: A biogeochemical record across the oldest Paleoproterozoic ice age in North America Andrey Bekker a, Alan J. Kaufman b a...
Maryland >> GEOL >> 07 (Fall, 2008)
Vol 449 | 11 October 2007 | doi:10.1038/nature06202 LETTERS Isotopic evidence for Mesoarchaean anoxia and changing atmospheric sulphur chemistry James Farquhar1, Marc Peters2, David T. Johnston1, Harald Strauss2, Andrew Masterson1, Uwe Wiechert3 & A...
Maryland >> LIB >> 1205 (Fall, 2008)
Organizational Citizenship Expectations & Behaviors Personnel Programs Performance Review Process End of the 2005 Review Cycle Next Steps: All Library staff will be participating in some form of performance review for 2005. All Library staff will be ...
Maryland >> LIB >> 2005 (Fall, 2008)
Organizational Citizenship Expectations 12/19/2005 Organizational Citizenship Expectations set forth behaviors, attitudes and competencies all employees are expected to have or attain. These expectations are framed within the context of a team-base...
Maryland >> LIB >> 1205 (Fall, 2008)
PERFORMANCE REVIEW AND DEVELOPMENT PROCESS SETTING EXPECTATIONS AND FINAL APPRAISAL EMPLOYEE FORM Employee Name: ID Number: Job Title: Division/Dept: _ _ _ __ Supervisor: _ _ _ Period Covering: Date of Review: Section/Unit: _ Expectation Setting ...
Maryland >> ATMOS >> 2005 (Fall, 2008)
JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 111, D03106, doi:10.1029/2005JD006392, 2006 Temperature trends at the surface and in the troposphere Konstantin Y. Vinnikov,1 Norman C. Grody,2 Alan Robock,3 Ronald J. Stouffer,4 Philip D. Jones,5 and Mitchell D...
Maryland >> GLUE >> 2004 (Fall, 2008)
PHYSICAL REVIEW B 70, 184511 (2004) Percolative effects in oxygen-depleted YBa2Cu3Ox wires B. S. Palmer* and H. D. Drew Laboratory for Physical Sciences, College Park, Maryland, 20740, USA R. A. Hughes and J. S. Preston Department of Engineering Ph...
Maryland >> GLUE >> 2004 (Fall, 2008)
INSTITUTE OF PHYSICS PUBLISHING Eur. J. Phys. 25 (2004) 655666 EUROPEAN JOURNAL OF PHYSICS PII: S0143-0807(04)77753-3 Current density and forces for a current loop moving parallel over a thin conducting sheet B S Palmer Laboratory for Physical Scie...
Maryland >> GLUE >> 2000 (Fall, 2008)
REVIEW OF SCIENTIFIC INSTRUMENTS VOLUME 71, NUMBER 8 AUGUST 2000 Scanning eddy current dynamometer with 100 B. S. Palmer, H. D. Drew, and R. S. Deccaa) m resolution Laboratory for Physical Sciences and Department of Physics, University of Maryla...
Maryland >> GLUE >> 2000 (Fall, 2008)
PHYSICAL REVIEW B VOLUME 62, NUMBER 14 1 OCTOBER 2000-II Indications of phase separation in polycrystalline La1x Srx MnO3 for x0.5 S. I. Patil,* S. M. Bhagat, Q. Q. Shu, S. E. Loand, S. B. Ogale, V. N. Smolyaninova, X. Zhang, B. S. Palmer, R. S. D...
Maryland >> WAM >> 12 (Fall, 2008)
HA M. NGUYEN 1901 Chapman Rd, Hyattsville, MD 20783 Cell: (240) 505-2470 Email: nguyen@econ.umd.edu Webpage: www.wam.umd.edu/~hnguye12 EDUCATION Ph.D. Economics, University of Maryland, College Park, USA Expected May, 2009 M.A. Economics, University...
Maryland >> WAM >> 12 (Fall, 2008)
Teaching Statement Ha Nguyen, Ph.D. candidate in Economics, University of Maryland, College Park Email nguyen@econ.umd.edu website www.wam.umd.edu/~hnguye12 My favorite undergraduate course was International Economic History, supposedly the most bo...
Maryland >> WAM >> 12 (Fall, 2008)
Ha Nguyen Evidence of Teaching Proficiency Econ 435: Financial Markets and the Macroeconomy Contents: The different types of financial assets that exist, the markets that they trade in, and the determination of their prices and rates of return are ex...
Maryland >> ECON >> 5 (Fall, 2008)
What is. . . Game Theory? An Analysis of Jeopardy! By Keith D. Bergstresser1 I. Introduction In A Natural Experiment in Jeopardy! Andrew Metrick analyzes the strategic game played by participants in Final Jeopardy, the last segment of the game sho...
Maryland >> ECON >> 321 (Fall, 2008)
Chapter 1 Student Lecture Notes 1-1 Chapter 1 Introduction to Statistics: Basic Concepts What is Statistics -The Science that deals with the collection, classification, analysis and interpretation of numerical information Descriptive statistics: ...
Maryland >> ECON >> 321 (Fall, 2008)
Chapter 2 Student Lecture Notes 2-1 Learning Objectives Chapter 2 Methods for Describing Sets of Data 1. 2. 3. 4. Describe Qualitative Data Graphically Describe Quantitative Data Graphically Explain Numerical Data Properties Describe Summary Measu...
Maryland >> ECON >> 321 (Fall, 2008)
Chapter 3 Student Lecture Notes 3-1 Example Preliminary Probability Theory Whats the probability of getting a head on the toss of a single fair coin? Use a scale from 0 (no way) to 1 (sure thing). So toss a coin twice. Do it! Did you get one hea...
Maryland >> ECON >> 321 (Fall, 2008)
example Chapter 4 Random Variables & Probability Distributions Youre taking a 33 question multiple choice test. Each question has 4 choices. Clueless on 1 question, you decide to guess. Whats the chance youll get it right? If you guessed on all 33 ...
Maryland >> ECON >> 321 (Fall, 2008)
Question Youre a telemarketer selling service contracts for Macys. Youve sold 20 in your last 100 calls (p = .20). If you call 12 people tonight, whats the probability of A. No sales? B. Exactly 2 sales? C. At most 2 sales? D. At least 2 sales? Bino...
Maryland >> ECON >> 321 (Fall, 2008)
Chapter 5 Student Lecture Notes 5-1 Statistical Methods Introduction to Estimation Descriptive Statistics Statistical Methods Inferential Statistics Hypothesis Testing Estimation Estimation Process Population Mean, , is Unknown Population Para...
Maryland >> ECON >> 321 (Fall, 2008)
Null Hypothesis 1. 2. 3. 4. 5. What is tested Has serious outcome if incorrect decision made Always has equality sign: =, , or Designated H0 (pronounced H-oh) Specified as H0: = some numeric value Specified with = sign even if or Example, H0: ...
Maryland >> ECON >> 321 (Fall, 2008)
Chapter 7 Student Lecture Notes 7-1 Example: 2 populations How would you try to answer these questions? Target Parameters Difference between Means 1 2 p1 p2 Who gets higher grades: males or females? Which program is faster to learn: Word or...
Maryland >> ECON >> 321 (Fall, 2008)
Chapter 10 Student Lecture Notes 10-1 Models Representation of some phenomenon Mathematical model is a mathematical expression of some phenomenon Often describe relationships between variables Types Deterministic models Probabilistic models ...
Maryland >> ECON >> 321 (Fall, 2008)
Department of Economics University of Maryland Summer 2007 ECON 321 Midterm Exam Question 1 (25 points) An experiment results in one of three mutually exclusive events, A, B and C. It is known that P (A) =0.30, P (B) =0.6 and P(C) =0.10. Find each...
Maryland >> ECON >> 321 (Fall, 2008)
Final Exam Economics 321 Thursday, August 19, 2004 Summer 2004 1. (20 points) A researcher measured the heights (in inches) of a random sample of 400 men from a certain population, and found the sample mean to be 71. It is known that = 3 . (Hint: n ...
Maryland >> ECON >> 321 (Fall, 2008)
Answers to the Final Exam Summer, 2004 1. 95% condence interval: =_ 0:05, =2 =p _ Z0:025 = 1:96 0:025; p The 95% condence interval is [ x p 1:96 = n; x + 1:96 = n] p [71 1:96 3= 400; 71 + 1:96 3= 400] = [70:706; 71:294] 99% condence interval: = 0:01,...
Maryland >> ECON >> 321 (Fall, 2008)
Department of Economics University of Maryland Professor John C. Chao Fall 2005 Economics 321 Final Examination This exam contains 5 regular questions and 1 bonus question. The total time allowed for the exam is 120 minutes. The total number of po...
Maryland >> ECON >> 321 (Fall, 2008)
ECON321FinalExamSummerI2007 PleasewriteyournameanduniversityID#onyourbooklet. Youmayuseyourtextbook,lecturenotes,problemsets,thepreviousexamsandacalculator,but laptopsareNOTallowed.Thereare10questionsintotal.EachQuestionisworth10points. Youhave120min...
Maryland >> ECON >> 321 (Fall, 2008)
Problem Set 4 (Due Tuesday, July 10) Question1. Two independent random samples have been selected: 100 observations from population 1 and 100 from population 2. Sample means X 1 = 15.5 and X 2 = 26.6 were obtained. From previous experience with these...
Maryland >> ECON >> 321 (Fall, 2008)
ProblemSet5(DueonThursdayJuly12,) SHORTANSWER.Writethewordorphrasethatbestcompleteseachstatementoranswersthequestion. Solvetheproblem. 1) Plottheliney=4-2x.Thengivetheslopeandy-interceptoftheline. 2) Isthenumberofgameswonbyamajorleaguebaseballteamina...
Maryland >> ECON >> 321 (Fall, 2008)
ECON321QUIZ PleasewriteyournameanduniversityID#ontopofyourexam. MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion. AnswerthequestionTrueorFalse. 1) Asthesamplesizegetslarger,thestandarderrorofthesamplingdistribut...
Maryland >> ECON >> 311 (Fall, 2008)
Final Review Sheet Econ 311 Ethan Ilzetzki The U.S. Constitutions What we know as \"the constitution\" is not the rst or only constitution in the United States. Arriving at the current constitution was a process of trial and error. The rst national co...
Maryland >> ECON >> 1 (Fall, 2008)
Unbalanced Schedules, Park Effects, and Performance Evaluation July 3, 2001 By John Shea Department of Economics University of Maryland College Park, MD 20742 (301) 405-3491 shea@econ.umd.edu www.bsos.umd.edu/econ/shea/johnshea.html The Problem In a...
Maryland >> PHYSICS >> 2 (Fall, 2008)
Gregory S. Jenkins _ ADDRESS http:/physics-183.umd.edu/people/greg/greg.htm Present Permanent 5903 Taylor Road 1213 Circle Lane Riverdale, MD, 20737 Bedford, TX 76022 (301) 793-2055 (817) 540-4628 University of Maryland, College Park Ph.D. in Physics...
Maryland >> ENGR >> 12 (Fall, 2008)
Student Address _ UP, UP AND AWAY 2008 The Up, Up and Away 2008 Summer P r o gr a m f o r M i d d l e S c h o o l s t u d e nt s w i l l b e h e l d o n t h e c am p u s o f t h e U n i v e rs i t y o f M a r y l an d C o l l e g e P a r k . S t u d...
Maryland >> ENGR >> 12 (Fall, 2008)
College Park, MD 20742 1134 Glen L. Martin Hall Center for Minorities in Science and Engineering SAT STRATEGIES SUMMER WORKSHOP Empowering Minds Foundation July 7July 31, 2008 University of Maryland College Park Sponsored by: The Center for Mino...
Maryland >> ENGR >> 12 (Fall, 2008)
and Science ities in Minor ering ter for Ce n Engine to Spring in ! the Future ce and in Scien rities r Mino eering nter fo Ce Engin June 16-21, 2008 1134 Glenn L. Martin Hall College Park, MD 20742 Phone: 301-405-8106 Fax: 301-314-9867 E-mail: b...
Maryland >> ASTRO >> 99 (Fall, 2008)
1 1 1 1 1 1 1 1 % % ! 0 # # 0 \" # \" & \' ( # ) $ # ) 0 0 ...
Maryland >> CIER >> 3 (Fall, 2008)
Chapter three Climate Change Impacts on Maryland and the Cost of Inaction A review and assessment by the center for integrative environmental research (CIER) at the university of maryland Contributing Authors: Sean Williamson, Research Assistant, ...
Maryland >> ATMOS >> 07 (Fall, 2008)
POLICYFORUM SUSTAINABLE DEVELOPMENT Climate Changethe Chinese Challenge Ning Zeng,1* Yihui Ding,2 Jiahua Pan,3 Huijun Wang,4 Jay Gregg5 Controlling CO2 emissions without hindering economic development is a major challenge for China and the world. ...
Maryland >> LAS >> 09 (Fall, 2008)
UNIVERSITY OF MARYLAND AT COLLEGE PARK RETURNING STUDENTS PROGRAM OF THE COUNSELING CENTER NEWCOMBE/PORTNEY SCHOLARSHIP INFORMATION SHEET- Spring 2009 Two scholarship funds for adult students are now available through the Returning Students Program o...
Maryland >> LIB >> 2008 (Fall, 2008)
MARAC Expense Budget FY2008 Category General Secretary National Coalition for History Treasurer Accountant Legal - Insurance Subtotal Administrator Management Fees Out of Pocket Expense Additional Charges Subtotal State Caucuses Delaware District of ...
Maryland >> CS >> 07 (Fall, 2008)
NSF07-504 {Program (NSF04-609 ) first announced on August 20, 2004} Program Officers: Frederica Darema Helen Gill Brett Fleisch Computer Systems Research Program: Components and Thematic Areas Advanced Execution Systems (AES) Systems Modeling and A...
Maryland >> CS >> 07 (Fall, 2008)
Dynamic Adaptive Multithreading: Programming Models and System Software ParalleX: A Study of a New Computation Model Guang R. Gao Electrical & Computer Engineering University of Delaware ggao@udel.edu Thomas Sterling Department of Computer Science L...
Maryland >> CS >> 07 (Fall, 2008)
Improving MPI Independent Write Performance Using A Two-Stage Write-Behind Buffering Method Alok Choudhary Wei-keng Liao*, Avery Ching*, Kenin Coloma*, Alok Choudhary*, and Mahmut Kandemir* *EECS Department *CSE Department Northwestern University Pen...
Maryland >> CS >> 07 (Fall, 2008)
Automatic MPI Application Transformation with ASPhALT Anthony Danalis, Lori Pollock, Martin Swany Overview Goal High performance communication for MPI applications that is easy to achieve An automatic system that transforms simple communication c...
Maryland >> CS >> 07 (Fall, 2008)
Formal Analysis for Debugging and Performance Optimization of MPI Ganesh Gopalakrishnan Robert M. Kirby School of Computing University of Utah NSF CNS 0509379 1 On programming machines that turn electricity into numbers. (BlueGene/L - Image court...
Maryland >> CS >> 07 (Fall, 2008)
Automatic Parallelization for Scripting Languages: Toward Transparent Desktop Parallel Computing Xiaosong Ma1,2 Jiangtian Li1 Nagiza Samatova2 1. North Carolina State University 2. Oak Ridge National Laboratory NSF-NGS Workshop, March 2007 1 Proble...
Maryland >> CS >> 07 (Fall, 2008)
Virtual Execution Environments: Support and Tools PIs: Bruce Childers#, Jack Davidson*, Mary Lou Soffa* Apala Guha*, Jason Hiser*, Naveen Kumar#, Jing Yang*, Min Zhao#, Shukang Zhou*, Kim Hazelwood* #University of Pittsburgh *University of Virginia ...
Maryland >> CS >> 07 (Fall, 2008)
Intelligent Optimization of Parallel and Distributed Applications USC/ISI: Jacqueline Chame Chun Chen Ewa Deelman Yolanda Gil Mary Hall Kristina Lerman Yoonju Lee Nelson USC (Physics/CS): Bhupesh Bansal Aiichiro Nakano Priya Vashishta OSU: Umit Ca...
Maryland >> CS >> 07 (Fall, 2008)
Data-parallel Abstractions for Irregular Applications Keshav Pingali University of Texas, Austin Joint work with Milind Kulkarni (UT Austin), and Bruce Walter, Ganesh Ramanarayanan, Kavita Bala, Paul Chew (Cornell) Summary Characteristics of irre...
Maryland >> CS >> 07 (Fall, 2008)
New Results on the Performance Impacts of Autocorrelated Flows in Systems Evgenia Smirni What is autocorrelation? Burstiness Self-similarity Dependence (short-range, long-range) Well-studied in networking Systems? Some early studies in storage syst...
Maryland >> CS >> 07 (Fall, 2008)
DOSA: Design Optimizer for Scientific Applications David A. Bader and Viktor K. Prasanna Acknowledgment of Support: National Science Foundation CSR: A Framework for Optimizing Scientific Applications CNS-0614915 (Bader) CNS-0613376 (Prasanna) D...
Maryland >> CS >> 07 (Fall, 2008)
Adaptive Scheduling with Parallelism Feedback Kunal Agrawal (MIT), Yuxiong He (NUS), Wen Jing Hsu (NUS), Charles E. Leiserson (MIT) Supported in part by NSF Grant CNF 0615215 Adaptive Multiprocessor Scheduling Many jobs space-share a large multiproc...
Maryland >> CS >> 07 (Fall, 2008)
Weaving Atomicity Through Dynamic Dependence Tracking Suresh Jagannathan joint work with Lukasz Ziarek, Philip Schatz, Jeremy Orlow Jan Vitek 1 Software Transactions Classical concurrency control abstractions using locks requires a great deal of p...
Maryland >> CS >> 07 (Fall, 2008)
Optimizing Sorting with Machine Learning Algorithms Xiaoming Li*, Mara Jess Garzarn, and David Padua University of Illinois at Urbana-Champaign * University of Delaware Autonomic code generation Automatically produces efficient implementations for ...
Maryland >> CS >> 07 (Fall, 2008)
Knowledge and Cache Conscious Data Mining: Algorithms and Systems Support Srinivasan Parthasarathy srini@cse.ohio-state.edu Joint work with A. Ghoting, G. Buehrer, M. Goyder, S. Tatikonda, T. Kurc and J. Saltz NSF NGS CNS0406386 Motivation Advances...
Maryland >> CS >> 07 (Fall, 2008)
Runtime Support for Multi-scale Applications on High-end Systems U. Tennessee/Oak Ridge National Laboratory Robert Harrison Pacific Northwest National Laboratory Jarek Nieplocha Ohio State University Atanas Rountev, P. Sadayappan Louisiana State Un...
Maryland >> CS >> 07 (Fall, 2008)
Speedup using Flowpaths for a Finite Difference Solution of a 3D Parabolic PDE Darrin M. Hanna Dept. of Computer Science and Engineering Oakland University Anna M. Spagnuolo Dept. of Mathematics and Statistics Oakland University Graduate Research A...
Maryland >> CS >> 07 (Fall, 2008)
Service Adaptation in Open Grid Platforms Krishnaveni Budati, Jinoh Kim, Abhishek Chandra and Jon Weissman Department of Computer Science Digital Technology Center University of Minnesota ridge.cs.umn.edu NFS NGS Support Background High-end Network ...
Maryland >> CS >> 07 (Fall, 2008)
Creating a Robust Desktop Grid using Peer-to-Peer Services Alan Sussman Department of Computer Science and UMIACS Desktop Grid Computing to Compute ! Growth of Internet (Internet Worlds Stats ) 1200 Number of Users (millions) 1000 800 600 400 200...
Maryland >> CS >> 07 (Fall, 2008)
Locality-aware Buffer Management to Speedup Disk Accesses (Progress Report) Xiaodong Zhang Ohio State University In collaboration with Song Jiang, Wayne State University Feng Chen and Xiaoning Ding, Ohio State Kei Davis, Los Alamos National Lab 1 ...
Maryland >> CS >> 07 (Fall, 2008)
Designing Efficient Systems Services and Primitives for Next-Generation Data-Centers K. Vaidyanathan, S. Narravula, P. Balaji and D. K. Panda Network Based Computing Laboratory (NBCL) Computer Science and Engineering Ohio State University NSF #CNS ...
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