Price Discrimination under Monopoly 2023


Price Discrimination under Monopoly
  

Price Discrimination refers to charging different prices for the same item 

based on individual customer characteristics and quantity. Under certain 

conditions, a monopolist can increase its profits by charging different 

prices to different buyers. In doing so, the monopolist engages in price 

discrimination. This practice allows the monopolist to maximize its profits

by capturing consumer surplus.

Price discrimination is possible for a monopolist because it has significant

market power and no competition


Conditions of Price Discrimination:

Price discrimination is a pricing strategy where a seller charges different 

prices to different groups of consumers for the same product or service. 

To successfully implement price discrimination, certain conditions or 

prerequisites must be met.


When the following conditions exist, price discrimination may occur:


    1.  Monopoly Power:  The seller must be a monopolist or, at least, 

        own some degree of monopoly, that is, some ability to control 

        output  and price.


    2. Market discrimination:  The seller must be able to separate 

        buyers into distinct classes, each with a different willingness or 

        ability to pay for the product.


    3. Price discrimination must be profitable: Price differentiation 

        leads to an increase in the seller's overall profit compared to 

        charging the same price to all customers. In other words, the additional 

        revenue generated by charging different prices to different segments 

        should compensate for any additional  costs or difficulties related by 

        implementing a differentiation strategy. This division of purchasers is 

        typically based on various levels of demand elasticity.


    4. No resale:  The original purchaser cannot resell the product or service. 

        If buyers in the low-price segment of the market can easily resell in the 

        high-price segment, the monopolist's price discrimination strategy will 

        create competition in the high-price segment. This competition will 

        lower the price in the high value segment and challenge the monopolist's

        price discrimination policy.


    5. No Regulatory or legal barrier:  There should be no legal or not

        Regulatory barriers that prohibit or limit price discrimination in the 

        relevant market. In some cases, competition laws may limit the extent 

        to which price discrimination may occur.


    6. Cost Differentiation:  The seller must have some flexibility in terms 

        of cost  structure or productivity. This allows the seller to offer lower 

        prices to certainsegments without experiencing a loss. For example, 

        it may be possible to offer a discount to students if the cost of their 

        service is lower due to lower marketing or distribution costs.


Consequences of Price Discrimination:


A monopolist can increase its profit by practicing price discrimination. 

At the same time, perfect discrimination results in greater output than 

occurring with a single monopoly price.


     1.     More Profit: Price discrimination allows a business to charge diff-

        erent prices to different customer segments based on their willingness 

        to pay. This means that the business can charge higher prices to 

        customers who are willing to paymore and lower prices to those who

        are more price sensitive. As a result,the business can capture a larger 

        portion of the  consumer surplus, maximizing its total revenue. By 

        charging higher prices to customers with a higher willingness to pay, a 

        business can improve its profit margins. This is parti-cularly beneficial

        for businesses with significant market power, such as monopolies or 

        firms in oligopolistic markets. Price discrimination allows a business 

        to tailor its pricing to different market segments. This means that it can

        charge premium prices to customers who value the product or service 

        more, while still attracting price-sensitive customers with lower prices.

        This targeted approach can lead to higher profits.


    2. More Production: Other things being equal, the discriminating mono-

        polist will   choose to produce more output than the non-discriminating

        monopolist.Remember that when an indiscriminate monopolist lowers 

        its price to sell additional output, the lower price applies not only to the

        additional output but also to all previous units of output.


As a result, marginal revenue is less than price and, graphically, the marginal 

revenue curve lies below the demand curve. The fact that marginal revenue 

is less than price acts as a disincentive to increase output.

But when a perfectly differentiated monopolist lowers price, the lower price 

applies only to the additional unit sold and not to the earlier units. Therefore,

price and marginal revenue for each unit of output are equal. The marginal 

revenue curve for a perfectly differentiated monopolist coincides with the 

demand curve, so the disincentive to increase output is removed.


Graphical Approach:






Single price versus perfectly discriminating monopoly pricing:

(a) The single-price monopolist produces output Qat which MR=MC, 

charges price P1 for all units, incurs an average total cost of A1, and 

realizes an economic profit represented by area vcft.

(b) The perfectly discriminating monopolist has MR=D and, as a result,

 produces output Q2, where MR=MC. It then charges the maximum price

 for each unit of output, incurs average total cost A2, and realizes an eco-

nomic profit represented by area zaer.

 

Types of Price Discrimination:


First Degree (Perfect) Price Discrimination:

1st degree captures the whole consumer surplus.

First-degree price discrimination, also known as perfect price discrimination,

is the most advanced and idealized form of price discrimination. In this 

pricing strategy, a seller charges everyone the maximum price they are 

willing to pay for a product or service. Basically, sellers capture the entire

customer surplus, which is the difference between what the customer is 

willing to pay (their reservation price) and what they actually pay.

Example: Auction (high willingness to pay will drive up the price)


Efficiency and First Degree (Perfect) Price Discrimination:

  • It is efficient that haram
  • some consumers.

In a pricing technique known as first-degree price discrimination, a business

charges every client the highest price they will accept for a good or service.

This means that the firm captures all of the consumer surplus, resulting in 

higher profits for the firm. In this type of discrimination, there is no dead-

weight loss and the firm gains both allocative and production efficiency.


  • It eliminates deadweight loss.
  • It maximizes the overall surplus.

First-degree price discrimination does not necessarily harm consumers in the

sense of reducing their welfare. However, this can be seen as less fair or just

because each consumer pays a price based on their individual willingness. 

This means that some customers may pay higher prices than in a competitive

market or other pricing strategies.


Second-Degree (Nonlinear) Price Discrimination:


The cost of the second degree varies depending on the unit.

Second-degree price differentiation, also known as nonlinear price different-

iation, is a pricing strategy in which a firm differentiates between different 

groups of customers based on their characteristics, behavior, or purchasing

patterns. Receives prices. Unlike first-degree (perfect) price discrimination, 

where each consumer pays an individual price, second-degree price 

discrimination groups consumers and offers them different price options 

within those groups. This type of price discrimination can be seen in 

different industries and markets.

In 2nd degree producer charge different prices for different quantities or 

makes certain blocks of consumers and charge every block a different price.

  • Buying in bulk:  Quantity discounts; a single light bulb might be priced 

         at $5, while a box containing four of the same bulb might be priced at

         $14,  making the average price per bulb $3.50.


  • Block pricing: The practice of charging different prices for different  
        quantities of ’’ block’’ of a good.

        

Example: Electric power companies charge different prices for a consumer 

purchasing a set block of electricity.

 

Third Degree (Group) Price Discrimination:


3rd degree based on some characteristics is used to divide the consumer 

group. The third degree of price discrimination, also known as group price

discrimination, occurs when a firm charges different prices to different 

groups of consumers based on different characteristics. This form of price 

differentiation is based on demographic, geographic, or other market-based 

criteria rather than individual characteristics. The objective is to maximize 

the firm's profits by pull out more consumer surplus from different market 

segments.

Firms classify consumers into different groups based on observable 

characteristics, such as age, income, location, student status, membership 

in a particular organization, or other relevant demographics. Each group is 

offered a uniquepricing structure. This may include lower prices for one 

group and higher prices for another, depending on the price elasticity of 

demand for each group.


Example: Many businesses, such as movie theaters, restaurants, and 

software companies, offer discounts to students who can provide a valid 

student ID. Low prices are intended to attract price-sensitive student 

customers. Airlines often charge different prices for the same flight based 

on the point of  departure, because they recognize that consumers in 

different regions may have different price sensitivities.

 

 

 


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