The Objectives of Firms (AQA A Level Economics)
Revision Note
Written by: Steve Vorster
Reviewed by: Jenna Quinn
Profit Maximisation
Most firms have the rational business objective of profit maximisation
Profits benefit shareholders as they receive dividends and also increase the underlying share price
An increase in the underlying share price increases the wealth of the shareholder
To achieve profit maximisation, firms should 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 regulators in their country (especially natural monopolies)
The profit maximisation level of output often results in high prices for consumers
Changing prices changes the marginal revenue
Diagram: The Profit Maximising Level of Output
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 =
Examiner Tips and Tricks
Profit maximisation is all about the quantity of output.
To determine the level of profit:
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
Where this line crosses the average cost curve (AC) represents the cost per unit at this level of output
The profit is the difference between the selling price and the average cost
Evaluating Profit Maximisation as a Business Objective
Apart from the very significant advantages that are offered by pursuing profit maximisation, there are some distinct disadvantages too
The Advantages & Disadvantages of Pursuing Profit Maximisation
Advantages | Disadvantages |
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Alternative Business Objectives
The firm can have objectives other than profit maximisation. These are the reason for their existence or the desired focus of their owners
1. Growth
Some firms have the business objective of growth
A firm growth can be calculated by using the number of employees, market share, size of profits & market capitalisation
Firms with a growth objective often focus on increasing their sales revenue or market share
Firms will also maximise revenue in order to increase output & benefit from economies of scale
A growing firm is less likely to fail
2. Survival
In the short term, many new firms focus solely on business survival
Generally, as much as 25% of new firms fail in their first year of business
Once a firm is established, it may then begin to focus on profit maximisation as its new objective
3. Social Welfare
More firms than ever are launching with a social welfare objective
These typically include a focus on climate action & addressing poverty or inequality
They still require profit to survive, but will accept less than if they were profit maximising as long as they are meeting their social objective
4. Satisficing
Firms can opt to make a satisfactory level of profit and not seek to maximise profits
They may aim to make enough money to keep the owner/shareholders happy
E.g a small family owned business may make enough profits to support the family but not pursue more profits. Satisficing can allow firms time to pursue other objectives, such as leisure or a better work-life balance
Examiner Tips and Tricks
The objectives of firms can change over time. Successful firms that have been profit maximising for decades may find themselves in a difficult market environment (e.g. during Covid 19 lock downs) and switch their objective to survival. Likewise, firms previously focused on profit maximisation may desire to be more prominent in the battle against climate change & so change to a social welfare objective.
Divorce of Ownership from Control
Divorce of ownership from control occurs when there is a clear split between the ownership of firm and those who run the business on a day-to-day basis
It usually occurs in larger firms where there is a distinction between ownership and management
The separation of ownership from control is linked to the principal-agent problem
Firm owners, such as shareholders (principals), appoint managers (agents) to make decisions and represent their interests. Managers may have differing goals and motivations, leading to conflicts of interest
Examples of Divorce of Ownership of Control
Example | Explanation |
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Public limited companies |
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Family businesses |
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