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Test 4
Oligopoly
22
Economics
Undergraduate 2
04/19/2010

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Term
Price Discrimination
Definition
charging different groups of consumers different prices for the same product
Term
4 Conditions of Price Discrimination
Definition
1. D Curve Must slope Downward
2. At least 2 different consumers with diff price elasticities
3. Charge group different price at low cost
4. Prevent those paying low price from reselling to those paying high price
Term
Draw graphs
Definition
Term
Price 1 Discrimination
Definition
Different prices for exact same service
ex. movies, coupons, senior citizens
Term
Price 2 Discrimination
Definition
Different for somewhat different products
ex. First Class air fare
Term
Psuedo Discrimination
Definition
Different prices charged for product or service. Price difference is fully accounted for by differences in cost of production.
ex. auto insurance
Term
Mutual Interdependence
Definition
One Firms decisions are very dependent on another firms decisions. Effects demand line
Term
Oligopoly
Definition
-Few sellers dominate mrkt
-restricted entry
- Product can be diff or homo
- Mutual interdependence
Term
Barriers to entry
Definition
1. Economies of Scale
2. High start up costs
3. Control of key resources
4. Legal Restricitions
5. Brand Names
Term
Cartel
Definition
Is a group of firms that agree to collude so they act as a monopoly to increase economic profit
Term
Collusion (secretive)
Definition
an agreement among firms in the industry to divide the mkrt and fix the price
Term
Cartel Obstacels
Definition
- AC curve
-# firms in cartel
-New entry into industry
-Cheating
Term
Price Leadership
Definition
firm sets the price for the rest of the industry to follow
1. violates antitrust laws
2. greater product diff the less effectice price leadership is
3. no guarentee everyone will follow
4. profitable industry attracts new entrants
Term
Standards for employee Career Advancement
Definition
Firms- motivated by profit, employees tend to advance on productivity
Gov- Employees evaluated by how they serve the goals of the gov manager
Term
Job Security
Definition
Firm- People may lose jobs because of job cuts or failures
Gov- Gov programs are seldom curtailed, and cost cutting is dimished. Gov employees have substantial job security
Term
Job Security
Definition
Firm- People may lose jobs because of job cuts or failures
Gov- Gov programs are seldom curtailed, and cost cutting is dimished. Gov employees have substantial job security
Term
Players Best Choice
Definition
whats best for a player assuming the other player makes one practicular decision
Term
Players dominant strategy
Definition
players best choice is the same no matter what the other player does
Term
Overall Nash Equilibrium
Definition
payoff block from which neither can more to improve the player
Term
Mutually advantageous
Definition
Sum of benefit is greatest without either party getting clobbered
Term
Tit-for-tat
Definition
in any given round you did whatever your opponent did in the previous round
Term
Repeated Games
Definition
each player has a chance to establish a reputation for cooperation and thereby encourage players to do the same
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