Supply-side policy Cambridge IGCSE Economics (9–1) revision

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In plain words

Fiscal and monetary policy change how much people want to buy. Supply-side policy works on the other side: how much the economy is able to produce. Better-trained workers, better roads and more competition all let a country make more with what it has.

It is slow, but it can raise output without pushing prices up.

6 things to know

  1. Supply-side policies aim to increase the productive capacity (the total supply) of the economy by making markets and workers more efficient.
  2. Measures: education and training, spending on infrastructure, labour market reforms, lower direct taxes, deregulation, privatisation, and better incentives to work and invest.
  3. Lower income tax gives people more reason to work. Lower taxes on profits give firms more reason to invest.
  4. Deregulation removes rules that hold firms back or keep new firms out, so there is more competition.
  5. Effects: growth without inflation, lower unemployment, and more competitive exports. On a diagram, the production possibility curve shifts outwards.
  6. Drawbacks: results take years, measures such as education are costly, and some, such as cutting benefits, can increase inequality.

Tips and tricks

  • Supply-side policy is the answer when a question asks how to get growth without inflation: it raises what the economy can produce, not just what people want to buy.
  • Its weakness is time. Training a workforce or building a railway takes years, so it cannot fix a sudden recession.
5 questions, about 2 minutes.

It lands in your notebook with its questions as flashcards.

Supply-side policy: 5 questions and answers

These are the quiz’s questions. Do the quiz first, then come back here for the ones that got you.

  1. Which is a supply-side policy?
    • raising interest rates
    • improving education and training (the answer)
    • increasing the money supply
    • raising indirect taxes

    It improves the quality of the labour force, so more can be produced.

  2. What is the aim of supply-side policy?
    • to reduce total demand
    • to increase the productive capacity of the economy (the answer)
    • to increase imports
    • to raise prices

    It works on how much the economy is able to produce.

  3. How might a cut in income tax act as a supply-side policy?
    • It lowers the price of imports.
    • It gives people more incentive to work. (the answer)
    • It reduces the money supply.
    • It raises interest rates.

    Workers keep more of what they earn, so more people choose to work, or to work longer.

  4. Which is a disadvantage of supply-side policies?
    • They cause high inflation.
    • They take a long time to have an effect. (the answer)
    • They reduce productive capacity.
    • They always raise unemployment.

    Skills and infrastructure take years to build.

  5. Removing rules that stop new firms entering an industry is called
    • nationalisation
    • regulation
    • deregulation (the answer)
    • taxation

    Fewer restrictions mean more competition.

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