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Chapter 17
Oligopolies
19
Economics
Undergraduate 2
11/08/2011

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Term
Oligopoly
Definition

A market structure in which only a few sellers offer the same or similar products

 

only a few sellers, can have large impact on the other seller's profit

Term
Game Theory
Definition
Study of how people behave in stragetic situations.
Term
Collusion
Definition
Firms agree on how much to produce and at what price for each member.
Term
Cartel
Definition
Firms acting in a collusion.
Term
Nash Equalibrium
Definition
Firms that choose the better, self-interest based strategy based on other firms decisions.
Term
Oligopolists tend to:
Definition

--produce more than a monopoly, less than a competitive market

--price lower than monopoly, more than a competitive market

Term
Output Effect
Definition
Because price is above mariginal cost, selling 1 more will raise profits.
Term
Price Effect
Definition
Raising production will increase total amount sold, which will lower the price and lower the profit.
Term
Prisoner's Dilemma
Definition

Why cooperation is difficult, even if it's mutually beneficial.

 

People strive for best individual situation rather than best for the whole, which is probably even better than the best individual situation.

Term
Dominant Strategy
Definition
Best strategy for one regardless of other's decisions
Term
Antitrust Laws
Definition
Keep oligopolies from making markets less competitive.
Term
Resale Price Maintenance
Definition
Producers require a minimum price for retailers to offer to customers
Term
Cons for Resale Price Maintenance
Definition
Seen as a violation of antitrust laws because it prevents retailers from competiting on price.
Term
Economist view of Resale Price Maintenance
Definition

--Producers want retailers to compete becase that means mroe product is sold.

--Higher price means more knowledgable sales force. W/o, customers would learn about product from "better" retailer and then buy from discount retailer. Discount is a free rider.

Term
Preditory Pricing
Definition
Slashing prices to drive out competition
Term
Why preditory pricing is rarely profitable
Definition
Preditor ends up suffering more than prey
Term
Tying
Definition
Bundling products, only selling them together
Term
Government skepticism of tying products
Definition
It expands market power of producer 
Term
Price discrimination in tying products
Definition
2 firms individually value products differently, but the same when bundled together. Bundle matches firms' willingness to pay.
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