Understanding Third Degree Price Discrimination

Third degree price discrimination involves charging different prices to different groups of consumers. This strategy is employed by firms possessing market power to maximize profits by exploiting variations in demand elasticity across distinct market segments.

Core Requirements for Third Degree Price Discrimination

• Market Power: The firm must have some degree of monopoly power to set prices above marginal cost.
• Market Segmentation: Customers must be divisible into distinct groups with identifiable characteristics.
• Preventing Resale (Arbitrage): It must be impossible or difficult for consumers in the lower-price segment to resell the product to consumers in the higher-price segment.
• Differing Elasticities of Demand: The price elasticity of demand must vary significantly across the different market segments.

Analysis of Provided Statements

Let's examine how each statement aligns with the concept:

• Statement 1: The firm must have monopoly power
  This is a necessary condition for any form of price discrimination. A firm needs market power to influence prices and charge different rates. This statement supports the concept.
• Statement 2: This type of price discrimination is most likely to occur in the manufacturing industries
  This statement is too specific and does not represent a core requirement or defining characteristic. Third-degree price discrimination can occur in various sectors, including services and retail, based on the ability to segment markets (e.g., student discounts, geographic pricing). It is not *most likely* or exclusively tied to manufacturing. Therefore, this statement does not support the general concept.
• Statement 3: The firm must be able to keep the two markets separate
  This refers to the prevention of arbitrage, which is essential. If markets are not separate, consumers could buy low and sell high, undermining the strategy. This statement supports the concept.
• Statement 4: The price elasticity and demand for the commodity must be different in the two markets
  This is the fundamental basis for third-degree price discrimination. Firms charge higher prices to segments with lower (inelastic) elasticity and lower prices to segments with higher (elastic) elasticity. This statement strongly supports the concept.

Conclusion on Non-Supporting Statement

Statement 2 is the one that does not support the concept of third-degree price discrimination because it incorrectly limits the scope of its application to a specific industry type (manufacturing) rather than focusing on the underlying conditions of market segmentation and differing elasticities.