Perfect competition
Graphs
Monopoly
Other
100

The firms in perfect competition are known as: 

Price Takers

100

Which curve represents marginal ATC? 


A= MC

B= ATC

C=AVC

100

The Monopolist will keep producing quantity until

MR=MC

100

A company utilizes a dynamic pricing strategy on their website, where prices fluctuate based on each individual's browsing behavior and purchase history, effectively charging customers differently according to their presumed willingness to pay. What form of price discrimination does this represent? 

First, second or third degree?

First Degree

200

Given the following cost function, what is the total variable costs?
TC(x) = 30x2+5x+100

 30x2+5x

200

Which area reflects deadweight loss in monopoly?


def

200

Which of the following is a key factor in the formation of a monopoly?


Barriers preventing potential competition from entering the market

An inelastic supply curve for the market

A new invention

All firms are price takers

Barriers preventing potential competition from entering the market

200

Which of the following describes third-degree discrimination?

A supermarket has a 'buy one, get one free' offer on a brand of pasta. 

A clothing retailer charges more for the latest fashion trends compared to out-of-season items. 

An amusement park provides a lower entry fee for children under 12 years old. 

An electronics store offers a discount on the previous model of a smartphone after the release of a new model.

C

300

What are the 4 characteristics of perfect competition?

1. price taker

2. Free entry and exit (no barriers)

3. Identical good

4. Many buyers and sellers

300

In the short run, if a perfectly competitive firm has production costs summarized by the cost curves below, what price range will it produce more than zero units?

 a. 50 +, b. 100+, c. 145+

Anything above 50. The firm starts losing value but is still operational, which means produces some units. 

300

ne utility company is allowed to provide electricity to a city. This is due to the government only allowing one company to provide this service, This is an example of what type of monopoly?

Natural monopoly

Resource monopoly

Legal monopoly

A patent

Legal monopoly

300

What's the definition of arbitrage?

Traders can exploit price differences for identical products. Buy low and sell high especially due to low transportation costs between the two markets. 

400

Which costs exist in the long run?

Variable costs

Fixed costs

Variable and Fixed Costs

Variable costs. 

In the long run, a firm can decide to change its fixed costs, by moving to a bigger or smaller facility for example (altering the rent costs). The firm has the time and flexibility to adjust all aspects of production to the level of output that it seeks to achieve. 

400

which graph represents long-run equilibrium for a perfectly competitive firm?

B

400

Which of these relations is always TRUE for monopolies?

P< MR

P > MR

P > AC

tR < TC

P > MR

400

 What's more beneficial? Sell at high, low, bundle high, boundle low?

Bundle at $22. 

Why? 2*22=44 > 15+12=27 which is a single high

but since we also want to incentivize the buyers to go for the deal, we don't want to overprice at $25 for a 2*25= $50 total

500

CALCULATE A


500

How much will a monopolist charge if they are setting MC = MR?

$10

Method: you want to find the point of intersection of MC=MR. Then, you want to go up on the same line (at Q=90) until you get to the Demand curve "D". What's the corresponding price there? 10!

500

How do monopolies affect economic welfare?


(a) Producer surplus increases at the expense of consumer surplus; no deadweight loss

(b) Consumer surplus increases at the expense of producer surplus; no deadweight loss

(c) Producer surplus increases at the expense of consumer surplus; there will be deadweight loss

(d) Consumer surplus increases at the expense of producer surplus; there will be deadweight loss

C

500

How does perfect price discrimination affect market surplus, when compared to a standard monopoly model?

Deadweight loss does not occur as the firm is receiving all possible gains from trade

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