Chapter 11: Pricing with Market Power

Chapter Overview

  • Chapter 11: Pricing with Market Power

  • Topics Covered:

    • Profit maximization and competitive supply (Chapter 8)

    • Analysis of competitive markets (Chapter 9)

    • Market power: Monopoly and Monopsony (Chapter 10)

    • Pricing with market power (Chapter 11)

    • Markets with asymmetric information (Chapter 17)

    • Externalities and public goods (Chapter 18)

Pricing Strategies

Monopoly: Profit Maximization

  • Monopolists set one price for all goods sold without price discrimination.

  • Profit maximization occurs where marginal cost (MC) equals marginal revenue (MR).

Price Discrimination

  • Definition: Charging different prices to different consumers for similar goods/services.

  • Conditions for Price Discrimination:

    • Ability to identify different consumer types.

    • Ability to charge different prices.

    • Ability to prevent resale (e.g., flight tickets).

Types of Price Discrimination

  1. First Degree (Perfect Price Discrimination):

    • Charge each consumer the maximum they are willing to pay (reservation price).

    • Example: Bartering in local markets.

    • Benefits: Maximum profit as all consumer surplus is converted to producer surplus.

  2. Second Degree Price Discrimination:

    • Different prices per unit for varying quantities (e.g., bulk discounts).

    • Encourages more efficient production and usage.

    • Examples include utilities (electricity) and promotions.

  3. Third Degree Price Discrimination:

    • Charge different prices based on identified segments (e.g., age, occupation).

    • Common in airlines, public transport, and museums.

    • Requires different price elasticities of demand.

Other Pricing Strategies

  • Intertemporal Price Discrimination:

    • Charge different prices at different times based on demand variability (e.g., new tech releases).

  • Peak-Load Pricing:

    • Higher prices during peak demand times to optimize capacity and costs.

    • Example: Electricity pricing during high-usage hours.

  • Two-Part Tariffs:

    • Consists of a fixed entry fee and a variable usage fee.

    • Common in membership models (e.g., gyms).

  • Bundling:

    • Offering multiple products together for a single price, potentially increasing total revenue.

    • Effective when demand is negatively correlated across consumers.

    • Mixed bundling strategy allows for separate and combined product sales.

Summary of Learning Goals

  • Ability to:

    • Explain the mechanics of price discrimination.

    • Calculate optimal prices under different discrimination regimes.

    • Justify the use of methods like two-part tariffs and bundling techniques for maximized profits.

Conclusion

  • Firms can enhance profitability through various pricing strategies, focusing on capturing consumer surplus effectively.

  • Strategies include:

    • (Im)perfect first-degree price discrimination

    • Second-degree (block) pricing

    • Third-degree price discrimination

    • Intertemporal pricing

    • Peak load pricing

    • Two-part tariffs

    • Bundling approaches (pure and mixed).

Hier zijn de belangrijkste formules die in de context van prijsdiscriminatie en gerelateerde micro-economische concepten worden gebruikt:

  1. Winstformule: π=P⋅Q−C(Q) Waarbij:

    • π = Winst

    • P = Prijs per eenheid

    • Q = Hoeveelheid verkocht

    • C(Q) = Totale productiekosten

  2. Winst bij derdegraads prijsdiscriminatie: π=P1​⋅Q1​+P2​⋅Q2​−C(QT​) Waarbij:

    • P1​ en P2​ = Prijzen voor de verschillende consumentengroepen

    • Q1​ en Q2​ = Hoeveelheden verkocht aan de respectieve groepen

    • C(QT​) = Totale productiekosten voor de totale hoeveelheid QT​=Q1​+Q2​

  3. Marginale kosten en marginale opbrengsten: MR1​=MCMR2​=MC Waarbij:

    • MR1​ en MR2​ = Marginale opbrengsten voor de respectieve groepen

    • MC = Marginale kosten

  4. Intertemporele prijsdiscriminatie:

    • Er is geen specifieke formule, maar het idee is dat de prijs varieert afhankelijk van de tijd en de elasticiteit van de vraag.

  5. Twee-part tarief: π=n⋅T+(P∗−MC)⋅Q Waarbij:

    • n = Aantal consumenten

    • T = Toegangsprijs

    • P∗ = Gebruiksprijs

    • MC = Marginale kosten

    • Q = Totale hoeveelheid verkocht

  6. Bundeling:

    • Voor bundeling is er geen specifieke formule, maar de totale opbrengst kan worden berekend als: TR=PB​⋅QB​ Waarbij:

    • TR = Totale opbrengst

    • PB​ = Prijs van de bundel

    • QB​ = Hoeveelheid verkochte bundels

Deze formules helpen bij het begrijpen van de verschillende prijsstrategieën en hun impact op de winstgevendheid in micro-economische contexten.