C hemical signal and receptor
Cascade
Amplificati on step(s) One molecule of hormone p roduces many molecules of p rotein A Disadvanta ge:
Down regulation
Example
Steroids are hydrophobic and lipid soluble d iffuse freely through t he membrane Bind with s

Problem Set 9
Econ 115
November 16, 2016
This problem set is due the Monday after break, usual rules.
1. Define
(a) Nash Equilibrium
(b) First degree price discrimination.
(c) Arbitrage
(d) Product Differentiation
2. Consider a Cournot duopoly where the t

Problem Set 1
Econ 115
September 6, 2016
The rules all for problem sets in this course are that [1] you should feel
free to discuss the problems with others, but [2] in the end you must write
up your own results. It is plagiarism, a violation of Yales aca

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 9
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday April 17
PART I: W E BW OR K
Do the questions in the assignment PS9 on WeBWorK. It is due by 1:00pm on Monday April

Problem Set 4: revised
Econ 115
September 29, 2016
This problem set is due next Monday at the beginning of class. As
usual, you can discuss these problems with others, but in the end you must
write your own answer. For each of the questions other than the

Problem Set 6
Econ 115
October 18, 2016
This problem set is due Monday 10/31 at the beginning of class (together with problem
set 7). As usual: no cheating and no late problem sets (recall that we drop the two lowest
problem set grades.)
1. Define
(a) Par

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 2
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday February 6
PART I: W E BW OR K
Do the questions in the assignment PS2 on WeBWorK. It is due by 1:00pm on Monday Feb

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 4
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday February 20
PART I: W E BW OR K
Do the questions in the assignment PS4 on WeBWorK. It is due by 1:00pm on Monday Fe

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 6
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday March 6
PART I: W E BW OR K
Do the questions in the assignment PS6 on WeBWorK. It is due by 1:00pm on Monday March

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 5
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday February 27
PART I: W E BW OR K
Do the questions in the assignment PS5 on WeBWorK. It is due by 1:00pm on Monday Fe

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 7
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday March 27
PART I: W E BW OR K
Do the questions in the assignment PS7 on WeBWorK. It is due by 1:00pm on Monday March

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 10
Professor: Tsyvinski
Course Director: Hawkins
Due: Wednesday April 26
PART I: W E BW OR K
Do the questions in the assignment PS10 on WeBWorK. It is due by 1:00pm on Wednesd

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 1
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday January 30
G ENERAL I NSTRUCTIONS
Each problem set has two parts. The first part must be answered online on the WeB

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 3
Professor: Tsyvinski
Course Director: Hawkins
Due: Monday February 13
PART I: W E BW OR K
Do the questions in the assignment PS3 on WeBWorK. It is due by 1:00pm on Monday Fe

Problem Set 2
Econ 115
September 12, 2016
The rules for problem sets in this course are that [1] you should feel free to discuss the
problems with others, but [2] in the end you must write up your own results. It is not
OK to copy someone elses answer.
As

Problem Set 3
Econ 115
September 19, 2016
This problem set is due next Monday at the beginning of class. As usual, you can discuss
these problems with others, but in the end you must write your own answer. For each of the
questions other than the definiti

GCE Examinations
Advanced Subsidiary / Advanced Level
Pure Mathematics
Module P5
Paper B
MARKING GUIDE
This guide is intended to be as helpful as possible to teachers by providing
concise solutions and indicating how marks should be awarded. There are
obv

GCE Examinations
Pure Mathematics
Module P5
Advanced Subsidiary / Advanced Level
Paper A
Time: 1 hour 30 minutes
Instructions and Information
Candidates may use any calculator except those with a facility for symbolic
algebra and / or calculus.
Full marks

GCE Examinations
Advanced Subsidiary / Advanced Level
Pure Mathematics
Module P5
Paper A
MARKING GUIDE
This guide is intended to be as helpful as possible to teachers by providing
concise solutions and indicating how marks should be awarded. There are
obv

GCE Examinations
Pure Mathematics
Module P5
Advanced Subsidiary / Advanced Level
Paper B
Time: 1 hour 30 minutes
Instructions and Information
Candidates may use any calculator except those with a facility for symbolic
algebra and / or calculus.
Full marks

GCE Examinations
Pure Mathematics
Module P5
Advanced Subsidiary / Advanced Level
Paper C
Time: 1 hour 30 minutes
Instructions and Information
Candidates may use any calculator except those with a facility for symbolic
algebra and / or calculus.
Full marks

GCE Examinations
Advanced Subsidiary / Advanced Level
Pure Mathematics
Module P5
Paper C
MARKING GUIDE
This guide is intended to be as helpful as possible to teachers by providing
concise solutions and indicating how marks should be awarded. There are
obv

GCE Examinations
Advanced Subsidiary / Advanced Level
Pure Mathematics
Module P5
Paper D
MARKING GUIDE
This guide is intended to be as helpful as possible to teachers by providing
concise solutions and indicating how marks should be awarded. There are
obv

GCE Examinations
Pure Mathematics
Module P5
Advanced Subsidiary / Advanced Level
Paper D
Time: 1 hour 30 minutes
Instructions and Information
Candidates may use any calculator except those with a facility for symbolic
algebra and / or calculus.
Full marks

GCE Examinations
Advanced Subsidiary / Advanced Level
Pure Mathematics
Module P5
Paper E
MARKING GUIDE
This guide is intended to be as helpful as possible to teachers by providing
concise solutions and indicating how marks should be awarded. There are
obv

Week 2 Notes Taylorism
Fredrick Taylor in the early 1900s preached that every job had one best
way for doing it and that managers, not workers, should determine how
work would be done (philosophy of scientific management cfw_Taylorism).
This reinforced t

Problem Set 7
Econ 115
October 25, 2016
So that we dont have two problem sets due on one day, this problem set is due, unusually,
onWEDNESDAY 11/2 at the beginning of class.
1. Define
(a) Average Cost
(b) Average Variable Cost
(c) Average Fixed Cost
2. Co

Problem Set 7
Econ 115
October 31, 2016
Problem set is due Monday at the beginning at class. As usual, you must do your own work.
1. Define
(a) Marginal Revenue
(b) Lerner Index
(c) Natural Monopoly
(d) Returns to Scale
2. Name a real-world monopoly.
3. G

Problem Set 10
Econ 115a
November 30, 2016
This problem set is due next Wednesday, 12/7 in class. Do your own work!
1. Define
(a) Pigouvian Tax
(b) Pure Public Good
(c) Median Voter
2. Two chemical plants create a polluting liquid waste that they dump int

Yale University: Econ 116, Introductory Macroeconomics, Spring 2017
Problem Set 8
Professor: Tsyvinski
Course Director: Hawkins
Due: WEDNESDAY April 12
PART I: W E BW OR K
Do the questions in the assignment PS8 on WeBWorK. Because of the delayed posting o