Business Objectives (Edexcel A Level Economics A)

Revision Note

Steve Vorster

Written by: Steve Vorster

Reviewed by: Jenna Quinn

Profit & Revenue Maximisation

Profit Maximisation

  • Most firms have the rational business objective of profit maximisation

    • Profits benefit shareholders as they receive dividends & also increase the underlying share price

      • An increase in the underlying share price increases the wealth of the shareholder

  • To achieve profit maximisation firms, follow the profit maximisation rule

    • When marginal cost (MC) = marginal revenue (MR) then no additional profit can be extracted by producing another unit of output

    • When MC < MR additional profit can still be extracted by producing an additional unit of output

    • When MC > MR the firm has gone beyond the profit maximisation level of output

      • It is making a marginal loss on each unit produced beyond the point where MC = MR

  • In reality, firms may find it difficult to produce at the profit maximisation level of output

    • They may not know where this level is

    • In the short term they may not adjust their prices if the marginal cost changes

      • Marginal costs can change regularly and regular price changes would be disruptive to customers

    • In the long-term firms will seek to adjust prices to the profit maximisation level of output

    • Firms may be forced to change prices by the Competition Commission

      • The profit maximisation level of output often results in high prices for consumers

      • Changing prices changes the marginal revenue

3-2-1-profit-maximisation-image_edexcel-al-economics
The profit maximisation level of output occurs at Q1 where MC = MR resulting in a market price of P1

Diagram analysis

  • This firm has market power as the MR and average revenue (AR) curve are downward sloping

  • At the profit maximisation level of output (MC = MR)

    • The selling price is P1

    • The average cost is C1

    • The supernormal profit = left parenthesis straight P subscript 1 space minus space straight C subscript 1 right parenthesis space cross times space straight Q subscript 1

Revenue Maximisation

  • Some firms have the business objective of revenue maximisation

    • This often occurs due to the principal agent problem

      • Sales managers often receive commission on sales as part of their wages and this incentivises them to maximise sales

      • Profit maximisation for shareholders becomes a secondary objective for the sales managers

    • Firms will also maximise revenue in order to increase output & benefit from economies of scale

    • In the short-term firms may use this strategy to eliminate the competition as the price is lower than when focussing on profit maximisation

  • To achieve revenue maximisation firms produce up to the level of output where MR = 0

    • When MR > 0, producing another unit of output will increase total revenue

3-2-1-revenue-maximisation_edexcel-al-economics
The revenue maximisation level of output occurs at Q1 where MR = 0 resulting in a market price of P1

Diagram analysis

  • This firm has market power as the MR and average revenue (AR) curve are downward sloping

  • At the revenue maximisation level of output (MR = 0)

    • The selling price is P1

    • The average cost is C1

    • The supernormal profit = left parenthesis straight P subscript 1 space minus space straight C subscript 1 right parenthesis space cross times space straight Q subscript 1

    • The supernormal profit is less than when the firm follows the profit maximisation rule

Examiner Tips and Tricks

Profit and revenue maximisation is all about the quantity of output.

To determine the level of profit:

  1. identify where MC = MR and then extend the dotted line upwards to the point where it hits the AR curve - this is your selling price

  2. Where this line crosses the average cost curve (AC) represents the cost per unit at this level of output

  3. The profit is the difference between the selling price and the average cost

Sales Maximisation & Satisficing

Sales Maximisation

  • Some firms have the business objective of sales maximisation

    • This occurs at the level of output where AC = AR (normal profit/breakeven)

    • In the short-term firms may use this strategy to clear stock during a sale

      • They sell remaining stock without making a loss per unit

S1IzTyxi_3-2-1-sales-maximisation_edexcel-al-economics
The sales maximisation level of output occurs at Q1 where AC = AR resulting in a market price of P1

Diagram analysis

  • This firm has market power as the MR and average revenue (AR) curve are downward sloping

  • At the sales maximisation level of output (AC = AR)

    • The selling price is P1

    • The average cost is also at P1

    • The firm is breaking even (normal profit)

Satisficing

  • Some firms have the business objective of satisficing

  • This often occurs as a result of the principal agent problem

    • Rationally, managers know shareholders want to profit maximise

    • Rationally, managers want to maximise sales or revenue so as to increase their wages

    • Managers (who control the business) settle for a level of output somewhere between profit and sales maximisation

      • This increases their wages and reduces potential conflict with shareholders

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Steve Vorster

Author: Steve Vorster

Expertise: Economics & Business Subject Lead

Steve has taught A Level, GCSE, IGCSE Business and Economics - as well as IBDP Economics and Business Management. He is an IBDP Examiner and IGCSE textbook author. His students regularly achieve 90-100% in their final exams. Steve has been the Assistant Head of Sixth Form for a school in Devon, and Head of Economics at the world's largest International school in Singapore. He loves to create resources which speed up student learning and are easily accessible by all.

Jenna Quinn

Author: Jenna Quinn

Expertise: Head of New Subjects

Jenna studied at Cardiff University before training to become a science teacher at the University of Bath specialising in Biology (although she loves teaching all three sciences at GCSE level!). Teaching is her passion, and with 10 years experience teaching across a wide range of specifications – from GCSE and A Level Biology in the UK to IGCSE and IB Biology internationally – she knows what is required to pass those Biology exams.