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Economics 201C

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Honors 78

 



Economics 201C (Ostroy) - General Equilibrium and Welfare Economics

TA:  Michael Powell
TA E-Mail:  mikeyp05 at ucla dot edu
Reader:  Andrew Robinson
Reader E-Mail:  arob33 at ucla dot edu
TA Official Office Hours:  Mondays, 4:00pm - 5:00pm, Tuesdays, 11:00am - 1:00pm, Thursdays, 1:00pm - 2:00pm in Bunche 2265 and by appointment.
TA Unofficial Office Hours:  Any time I am in the grad. lab (Bunche 2221E), I am more than happy to answer any questions you may have regarding the course.  I am typically in the grad. lab whenever I am not in class, not eating, and not at home sleeping.  My schedule is available here.

During the discussion sections, my primary objective will be to solve past homework problems, past midterms, and past finals as these questions are rich with concepts which are best understood through examples.  In addition, I hope both to fill in any gaps left during lectures and to help clarify any confusing or vague concepts.  If anyone has any particular topics he/she would like me to cover, please send me an e-mail, and I will try my best to prepare something by the time discussion rolls around.

 

Discussions

Lecture Summaries

(pdf) (tex) Collection of Notation
     May 7th:  Corrected proposition 82 and remarks 83 and 84.  Thanks Hao!
     May 11th:  Made minor corrections to lectures 5 and 6.  Thanks Hisa!
     May 31st:  Minor correction to definition 174.  Thanks Paulina!
     September 23rd:  Correction to proposition 161.  Thanks Tracy!
(pdf) (tex) Overview of Topics
(ppt)         Marco's Concept Map.  Thanks Marco!
 

Various Notes

(pdf) (tex) Mathematical Preliminaries
(pdf) (tex) Differentiation and the Subdifferential
(pdf) (tex) Concavity and Quasiconcavity in QLGE
(pdf) (tex) Two Examples of the Flattening Effect
(pdf) (tex) The Marginal Product Inequality and PCE
(pdf) (tex) The First Welfare Theorem
 

Agendas

Week 1  (Wednesday, April 5th, 2006:  4:00pm - 5:50pm, Bunche 2160)
     Administrative issues (rescheduling next week's discussion section)
     Brief overview of the course
     Mathematical preliminaries
          Convexity of sets
          Concavity and quasiconcavity of functions (and the relationship to convexity of sets)
          The supremum operator
     Lecture clarifications
     Homework 1, 2005:  Question 1  (Earned and Unearned Income in Walrasian Equilibrium)

     Main Topic:  Course Overview
     Recommended reading:  Lecture Notes on Standard Model, pages 1-7, 12-21 
      
Week 2  (Monday, April 17th, 2006:  4:00pm-5:50pm, Bunche 2178)
              (Tuesday, April 18th, 2006:  11:00am-12:50pm, Bunche 2178)
     Hints for problem set 1
     Mathematical preliminaries
          The operation of set addition
     Homework 3, 2005:  Question 3  (Graphical Description of Equilibrium and Efficiency)
     Lecture clarifications
     Homework 1, 2005:  Question 3  (Replica Invariance)

     Main Topic:  Standard Model and Replica Invariance
     Recommended reading:  Lecture Notes on Standard Model, pages 7-11, Lecture Notes on LP, pages 1-4

Week 3  (Thursday, April 20th, 2006:  11:00am - 12:50pm, Bunche 2160)
     Mathematical preliminaries
          Homogeneity
          Additivity
     Differentiability and the Subdifferential
     Lecture Clarifications
    
     Main Topic:  Mathematical Tools
     Recommended reading:  Lecture Notes on LP, pages 4-14 

Week 4  (Thursday, April 27th, 2006:  11:00am - 12:50pm, Bunche 2160)
     Administrative issue - Schedule midterm review session
     Homework 2, 2005:  Question 3  (An Edgeworth Box Version of Quasi Linearity)
     Bonus Question 1 (Quasilinear General Equilibrium)
     Bonus Question 2 (The "Representative Agent")
    
     Main Topics:  Quasilinearity and aggregation
     Recommended reading:  Lecture Notes on QL Gen Eq, pages 3-9,

Week 5  (Thursday, May 4th, 2006:  11:00am - 12:50pm, Bunche 2160)
     Final, 2005:  Question 1  (Duality and Efficiency of Price-Taking Equilibrium)
     Final, 2002:  Question 1  (Comparing PTE and PCE)
     Comp, Fall 2003:  Question 5  (Representative Individual)
    
     Main Topics:  PTE, PCE, and Convexifying Effect
     Recommended reading:  A Revision of the First Theorem of Welfare Economics, Flattening and Convexifying with Large Numbers, pages 9-14

Review Session (Tuesday, May 9th, 11:00am - 12:50pm, Bunche 2178)
     Definition of perfectly competitive equilibrium
     Midterm, 2005:  Question 2  (Private and Social Gains)
     Midterm, 2005:  Question 3  (A Version of the Flattening Effect of Large Numbers)

     Main Topics:  PTE, PCE, and Flattening effect
     Recommended reading:  Flattening and Convexifying with Large Numbers, pages 2-4, 6-9

Week 6  (Thursday, May 11th, 2006:  11:00am - 12:50pm, Bunche 2160)
     Midterm examination.  Don't forget bluebooks!

Week 7  (Thursday, May 18th, 2006:  11:00am - 12:50pm, Bunche 2160)
     The marginal product inequality
     Simple example of the occupational choice model
     Midterms returned

     Main Topic:  Occupational choice model
     Recommended Reading:  A Revision of the First Theorem of Welfare Economics

Week 8  (Thursday, May 25th, 2006:  11:00am - 12:50pm, Bunche 2160)
     Administrative Issues
          Scheduling the review session
          Teaching evaluations
     Equivalence of PEDS and FA
     Final, 2002:  Question 4  (Is it Real or is it Pecuniary?)
     Homework 6, 2003:  Question 2  (A Double Tragedy of the Commons)

     Main Topic:  Externalities

Week 9  (Thursday, June 1st, 2006:  11:00am - 12:50pm, Bunche 2160)
     Truthful reporting of utility functions
     "First Welfare Theorem" for Lindahl Equilibrium
     Final, 2002:  Question 3  (Pricing and Payments for Public Goods)
     Final, 2003:  Question 4  (Idealized Pricing)

     Main Topic:  Lindahl Equilibrium
     Recommended Reading:  Notes on Non-Manipulable Mechanisms

Week 10  (Thursday, June 8th, 2006:  11:00am - 12:50pm, Bunche 2160)
     Homework 7, 2003:  Question 1  (Costlessly Provided Public Goods)
     Homework 7, 2003:  Question 2  (PTE Mechanism)

     Main Topic:  Mechanism Design
     Recommended Reading:  Notes on Non-Manipulable Mechanisms, Landsburg, Ch 3, pages 23-25

Review Session (Monday, June 12th, 2006, 3:30pm - 6:30pm, Bunche 2160)
     Outline of the course
     Final, 2005:  Question 2  (Special Cases of Private versus Costly Public Goods)
     Final, 2005:  Question 3  (The Consequences of Holdups)
     Comp, Spring 2005:  Question 5  (A q-unit Auction)

Final Exam (Wednesday, June 14th, 2006, 11:30am - 2:30pm, Public Policy 1246)


Links

(htm) Material from previous quarters
 

Lecture Notes

(pdf) Lecture Notes from 4/3/06
(pdf) Lecture Notes from 4/5/06
(pdf) Lecture Notes from 4/10/06 - Thanks Amy!
(pdf) Lecture Notes from 4/12/06 - Thanks Amy!
(pdf) Lecture Notes from 4/17/06
(pdf) Lecture Notes from 4/19/06
(pdf) Lecture Notes from 4/24/06
(pdf) Lecture Notes from 4/26/06
(pdf) Lecture Notes from 5/1/06
(pdf) Lecture Notes from 5/3/06
(pdf) Lecture Notes from 5/8/06
(pdf) Lecture Notes from 5/10/06
(pdf) Lecture Notes from 5/15/06
(pdf) Lecture Notes from 5/17/06
(pdf) Lecture Notes from 5/22/06
(pdf) Lecture Notes from 5/24/06
(pdf) Lecture Notes from 5/31/06
(pdf) Lecture Notes from 6/5/06
(pdf) Lecture Notes from 6/7/06




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