Economics 103 Statistics for Economists
Francis J. DiTraglia
University of Pennsylvania
Lecture # 1
Racial Bias in Criminal Sentencing
Do you think there is racial bias in criminal sentencing? That is,
do you think that judges may assign dierent sentences
Problem Set #8
Econ 103
Part I Problems from the Textbook
No problems from the textbook on this assignment.
Part II Additional Problems
1. For this question assume that we have a random sample from a normal distribution with
unknown mean but known varianc
Problem Set # 10
Econ 103
Part I Problems from the Textbook
Chapter 6: 15, 17, 19(b), 21
Chapter 8: 17(c), 17(d), 19, 21
Ill provide full solutions to 6-17 and 8-21.
Part II Additional Problems
1. Write R code to carry out the simulation experiments prese
Statistics for Economists
Economics 103
Fall 2016
Course Instructor: Francis DiTraglia
Recitation Instructors: Matt Cook, Rossa OKeeffe-ODonovan, Rodrigo Azuero-Melo
Office Hours: For times and locations, see the semester calendar on the course website.
C
Problem Set #2
Econ 103
Part I Problems from the Textbook
Chapter 2: 1, 3, 5, 7, 13, 15, 17 [in part (b) skip MAD and MSD], 21 23, 27, 35.
Part II Additional Problems
1. For each variable indicate whether it is nominal, ordinal, or numeric.
(a) Grade of m
Problem Set #12
Econ 103
Part I Problems from the Textbook
Since I have assigned two even-numbered problems from the book, I will post solutions to
these along with those for the Additional Problems.
12-2, 12-3, 13-5, 13-12, 14-1, 14-3, 14-5
For 13-5, par
Econ 235
Fall 2017
Deniz Selman
University of Pennsylvania
Problem Set 1 Solutions
Wednesday 13 September 2017
This material is not for distribution beyond this class.
1. Suppose the cost function for a typical rm in a perfectly competitive market for too
Econ 235
Fall 2017
Deniz Selman
University of Pennsylvania
Problem Set 2 Solutions
Monday 25 September 2017
This material is not for distribution beyond this class.
1. The cost function of a typical rm in a perfectly competitive industry is given by C (q)
Econ 235
Fall 2017
Deniz Selman
University of Pennsylvania
Problem Set 1
Due at the beginning of lecture on Wednesday 13 September 2017
This material is not for distribution beyond this class.
1. Suppose the cost function for a typical rm in a perfectly c
Econ 235
Fall 2017
Deniz Selman
University of Pennsylvania
Problem Set 2
Due at the beginning of lecture on Monday 25 September 2017
This material is not for distribution beyond this class.
1. The cost function of a typical rm in a perfectly competitive i
Econ 235
Fall 2017
Deniz Selman
University of Pennsylvania
Practice Problems for the First Midterm Exam
Monday 2 October 2017
This material is not for distribution beyond this class.
1. Consider a competitive rm which has the production function
f (K; L)
ECON 212-Game Theory
Problem set 2 - Answer Key
Question 1)
Watson, chapter 4, question 1: We are analyzing the following normal form game:
12 L
U
10, 0
M
2, 10
D
3, 3
C
0, 10
10, 2
4, 6
R
3, 3
6, 4
6, 6
1. (a) u1 (U, C) = 0
(b) u2 (M, R) = 4
(c) u2 (D, C
ECON 212 - Game Theory
Problem Set 1 Answers
Question 1)
(a)
12 R
L
R
3, 3 3, 3
L
4, 4 2, 2
(b) Player 1 gets 9 = 3 if he chooses Right and 0.5 4 + 0.5 16 = 3 if he chooses Left,
hence he is indifferent.
Question 2)
The player has mk pures strategy, one f
Problem Set 3
Turn in
October 16 (in class)
Grading policy
No late submissions are allowed, but your lowest problem set score (out of 6) will be
dropped when computing your course grade.
Problem 1
Watson, chapter 8, question 3 (*Note: this is from the las
Problem Set 1
Due date
September 13
Turn in
September 13 (in class)
Grading policy
No late submissions are allowed, but your lowest problem set score (out of 6) will be
dropped when computing your course grade.
Problem 1
Suppose players value x dollars at
Problem Set 2
Due date
September 25
Turn in
September 25 (in class)
Grading policy
No late submissions are allowed, but your lowest problem set score (out of 6) will be
dropped when computing your course grade.
Problem 1
Watson, chapter 4, questions 1 and
Economics 103 Statistics for Economists
Francis J. DiTraglia
University of Pennsylvania
Lecture #1 Introduction
Overview Population vs. Sample, Probability vs. Statistics
Polling Sampling vs. Non-sampling Error, Random Sampling
Causality Observational vs.
Chapter 1
Intro
12
CHAPTER 1. INTRODUCTION
Or, the nurses lied because time is short and they had many patients to
care for. Enough of prologue. Down to brass tacks.
1.3
Rational Buyer Model
The simplest transaction to contemplate is that between buyer an
Shortcut formula for Covariance
Cov(X, Y) = E[(X X)(Y Y)] = E[XY] E[X]E[Y]
Var(X) = Cov(X, X)
Expected Value of Sum = Sum of Expected Values
E [X1 + X2 + . . . + Xn] = E [X1] + E [X2] + . . . + E [Xn]
Independent
Realization of one of the RVs gives no inf
This is not a comprehensive account, but an aide memoire. You would have covered this material
in depth in your calculus classes.
1
Single Variable Unconstrained
We are interested in solving the following optimization problem: maxx f (x). In words, find t
STAT 103 First Midterm Study Guide
Terms to Know
Population
Sample
Sample Size
Parameter
Statistic
Descriptive Statistics
Probability
Deductive
Inferential Statistics
Inductive
Sampling Error
Nonsampling Error
M.E. (Margin of Error)
Confounding factor
Ran
Econ 101 Homework 3
Not For Distribution Beyond the Class
Rakesh Vohra
October 8, 2017
This homework will focus on price discrimination. Some questions are of the drill variety. Others
will require you to analyze economic settings that are closer to reali
FINAL PORTFOLIO
Chip Daley
WRIT 088 301 Writing Seminar in Sociology:
New Social Movement
Dr. Rhiannon Maton
4/19/2017
Statement of Academic Integrity:
My signature below certifies that I have complied with the University of Pennsylvania's Code of
Academi
Weekly Research Assignment 1
1. Identify the three tariff barriers used to value your product and assess duties due to the
government
i.
ii.
iii.
Import Tariff is a tax imposed on a good brought in from another country.
Protective Tariff is a duty imposed
POLS 200/ Spring 2017
Case Briefing #1: White v Samsung Electronics 971 F.2d 1395 (9th Cir. 1992)
Material Facts:
Defendant ran a television ad to gain business for a VCR. One of these advertisements is
promoting Samsung video-cassette recorders (VCRs), w
Points of view:
The plaintiff point of view is that the robot was imitation of her image. She believes that
defendant should ask her consent before running the ad for using her image and fame.
The defendants point of view is they were just trying to creat
Weekly Research Assignment 1
1. Identify the three tariff barriers used to value your product and assess duties due to the
government
i.
ii.
iii.
Import Tariff is a tax imposed on a good brought in from another country.
Protective Tariff is a duty imposed
1. What type of ceremonial speech will you be doing?
Tributes and commemoratives speeches
2. Why is this topic important to you?
I never get the chance to honor the person that is the most important person in my life,
my grandfather.
3. List at least 3 wa
Conclusion/Holding:
Yes. Judgment reversed. The common law right of publicity cause of action may be pleaded by
claiming that the defendants use of Plaintiffs identity, the appropriation of Plaintiffs name or
likeness to defendants advantage, lack of cons
Significance of Resource Pricing:
Money-income determination: resource prices are a factory in determining
individuals incomes
Cost-minimization: to the firm, resource prices are costs and to have the
biggest profit, the firm must produce profit-maximiz