industrial economics (econ3400) week 1 july 24, 2008 room 323, bldg 3 semester 2, 2008 instructor:...

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Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

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Page 1: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

Industrial Economics(Econ3400)

Week 1July 24, 2008Room 323, Bldg 3Semester 2, 2008Instructor: Dr Shino Takayama

Page 2: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

Agenda for Week 1

Course Profile (Syllabus) Introduction to I.O. Profit Maximization & Perfect

Competition Efficiency

Page 3: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

The Instructor ?

Name: Shino (McLennan) Takayama Hometown: Osaka/Kyoto, Japan Ph.D in Economics from U MN, USA Arrival in AU: September, 2005 Moved from Sydney Uni. Financial Economics, Game Theory, Public

Economics Website: http://www.shino.info/ Email: [email protected] Office: 617 @Colin Clark Office Hour: 11:00 – 12:00, Mondays

Page 4: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

Econ3400 Industrial Economics

Textbook:

http://homepages.ucalgary.ca/~jrchurch/page4/page5/files/PostedIOSA.pdf

Course Description:The main objective of the lectures is to present applied topics in industrial economics.

Page 5: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

Introduction to I.O.

I.O. (Industrial Organization) is a study about Market structure/organization Relationship with Firms’ Behavior

Methodology Structure Conduct Performance Game Theory

What we study: Strategy Based Approach

Page 6: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

Profit Maximization

Firms Objective Profit Maximization

Firm’s Optimal Choice MP(q) = MR(q) – MC(q) MR(q*) = MC(q*) If MR > MC, expands output If MC > MR, reduce output

Page 7: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

Perfect Competition

The 4 assumptions1. Many Buyers and Sellers2. Homogeneity of Output3. Perfect Information4. Free Entry or Exit

1 – 3 : Price Takers

Page 8: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

From a Single Firm to Market

Profit-Maximizing Choice p = MC(q*)

Market Supply = sum of individual supply(p)

Market Equilibrium Supply(p) = Demand(p)

Page 9: Industrial Economics (Econ3400) Week 1 July 24, 2008 Room 323, Bldg 3 Semester 2, 2008 Instructor: Dr Shino Takayama

Efficiency Measures of Gains from

Trade Consumer Surplus Producer Surplus Total Surplus

Pareto Optimality If it is not possible to make

one person better off without making another worse off.