Size & Types of Firms (Edexcel A Level Economics A) : Revision Note

Steve Vorster

Written by: Steve Vorster

Reviewed by: Jenna Quinn

Updated on

Reasons for Growth & Reasons to Remain Small

  • Many firms start small and will grow into large companies or even multi-national corporations (Amazon started in a garage)

Reasons Why Firms Grow

Owners/Shareholders/Managers desire to run a large business and continually seek growth

Owners/shareholders desire for higher levels of profit

Desire for stronger market power (monopoly) so as to increase profits

Desire to reduce average costs by benefiting from economies of scale

Growth provides opportunities for product diversification

Larger firms often have easier access to finance 

  • While many firms grow, others do not or they intentionally choose to remain small

Reasons Why Small Firms Exist

They offer a more personalised service and focus on building relationships with their customers 

Unable to access finance for expansion

They provide a product that is in a niche market - smaller market size but can be very profitable

Many small firms operate in mass markets with low barriers to entry

Rapid growth can cause diseconomies of scale which are difficult to deal with so many owners choose to these avoid coordination and communication problems

Owners goal is not profit maximisation but rather an acceptable quality of life (satisficing)

Divorce of Ownership & Control

  • As firms grow, the owners (or shareholders) often appoint managers to run the business for them

  • There is a separation (divorce) between the owners and the managers who control the day-to-day running of the business

  • This divorce gives rise to the Principal-Agent problem

    • E.g. Shareholders want to maximise their profits, but workers want to maximise their salaries

    • E.g. Shareholders want to maximise their profits, but managers may want to maximise the number of sales over the value of the sales

  • The problem is exacerbated by information gaps in that the agents have a lot more information than the owners and are often able to control the flow of that infromation

  • One way that Principals attempt to diminish the problem is by granting share options to managers

    • If managers are shareholders, then they will be likely to align their interests more with those of the owners

Public & Private Sector Organisations

  • Public sector organisations are owned and controlled by the Government

    • Their goal is not profit maximisation but to provide a service

    • There are a wide variety of government owned organisations in the UK

      • Corporations like the BBC and Channel 4

      • National services such as State Schools and National Health Service Trusts

      • Local services such as Transport for Greater Manchester

      • Civil service departments such as Defence, Police, Education

      • Regulatory bodies such as the General Dental Council

  • Private sector organisations are owned and controlled by private individuals

    • Types of ownership vary from sole trader to partners to company shareholders

    • The goal of most private sector organisations is profit maximisation

      • This often means the private sector is more efficient than the public sector, with higher levels of productivity 

Profit & Not-for-profit Organisations

  • Most firms in the private sector exist to make a profit, even if their goal is not profit maximisation

    • If they do not make a profit, then they are likely to go out of business

  • Exceptions to this are not-for-profit organisations which also operate in the private sector

    • They exist to provide a service or meet a need

    • Many sell goods/services and use the profits they generate to further their objectives, e.g. The British Heart Foundation

    • The government exempts them from paying direct taxes

  • All Charities are not-for-profit organisations and are regulated by the UK Charity Commission

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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

Reviewer: Jenna Quinn

Expertise: Head of Humanities & Social Science

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.

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