B. Douglas Bernheim, Michael D. Whinston - Microeconomics-McGraw-Hill Higher Education (2008)-701-748

Chapter 18 Pricing Policies

18.1 Pricing Strategies

  • Two distinct pricing regions based on quantity sold:

    • Below 800 units: The marginal revenue (MR) function is expressed as:MR = 5 - 0.02Q(Where Q represents the quantity sold)

    • Above 800 units: The MR function changes to:MR = 12 - 0.01Q

18.2 Profit Maximization Without Price Discrimination

  • To maximize profits, firms set marginal revenue (MR) equal to marginal cost (MC).

  • Analyzing both pricing strategies leads to specific quantities:

    • At Q = 700 (price set at $9), the total profit is $4,900, with sales directed solely to the adult demographic.

    • At Q = 1,000 (price at $7), the total profit increases to $5,000, with sales across both adult and student segments.

  • Differences in Demand Elasticity:

    • The elasticity of demand for students at a price of $7 is calculated at 0.78, while for other adults, it’s 0.50.

    • The higher elasticity for students suggests a potential price reduction could maximize student sales, whereas an increase in prices could be viable for other adult consumers.

  • Profit Comparison with and without Discrimination:

    • When applying price discrimination strategies:

      • The total profit rises to $5,800 ($900 generated from student sales and $4,900 from adults), which reflects an increase of $800 or a 16% bump in total profit due to differentiated pricing.

18.3 Welfare Effects of Price Discrimination

  • Price discrimination leads to varying effects on consumer surplus across market segments:

    • An increase in price typically results in negative outcomes for specific consumer groups.

    • Aggregate consumer surplus can diminish due to inefficiencies tied to improper price setting.

  • Illustration of Consumer Surplus Changes:

    • Adopting discriminatory pricing may decrease total consumer surplus by $1,200.

  • Contrasting Equilibrium Allocations:

    • In oligopoly markets, gains from price discrimination are inherent, as these markets display diverse consumer willingness to pay, which firms can exploit.

18.4 Price Discrimination Based on Self-Selection

  • Certain structures allow businesses to discriminate based on consumer choices:

    • Companies may use various offerings tailored for different consumer segments.

  • Self-Selection Benefits:

    • Examples include services offering discounts contingent on consumer actions, such as using coupons, or tiered service plans which provide varied feature sets based on pricing.

18.5 Bundling and Market Power

  • Bundling strategies allow firms to capture more consumer surplus:

    • This tactic not only boosts revenue but also curtails unnecessary costs by addressing varied consumer valuations of an item.

  • An example includes packaged software that combines different applications to maximize the sales variety.

  • Mixed Bundling:

    • Firms implement a strategy of offering both bundled pricing along with individual product prices, which enhances flexibility and caters to different consumer preferences.

18.6 Price Discrimination in Oligopoly

  • Within oligopoly settings, competitive dynamics shift:

    • Pricing strategies must consider the potential actions of competing firms.

  • A Comparative Analysis:

    • It’s essential to differentiate outcomes between monopoly and oligopoly cases, especially regarding welfare losses that don’t quantitatively align when assessing consumer surplus.

Summary

Key Concepts:

  • Price discrimination is an effective method for firms to enhance profitability but alters consumer surplus variably across market segments.

  • Different market structures yield unique outcomes based on the competition’s nature and the consumers' willingness to pay.

  • Effective bundling practices can significantly enhance profitability among diverse consumer types, ultimately improving overall market performance.