revision

BOOM

  • boom is very fast economic growth

  • high consumer spending

  • low unemployment

  • wages rising

  • firms invest more

  • inflation usually increases


AO2 (BOOOM)

UK 2021-22:

After lockdowns ended, people spent heavily on restaurants, travel and retail → firms struggled to keep up → inflation rose over 10%


Chain of analysis

  • Consumers had savings from lockdowns.

  • → They increased spending quickly.

  • → Firms saw a surge in demand.

  • → They hired more workers to meet demand.

  • → Unemployment fell.

  • → Workers earned more income.

  • → They spent even more.

  • → Firms reached capacity limits.

  • → Shortages appeared.

  • → Prices increased (inflation).


AO4(BOOOM)

1. Inflation may rise too fast

Why? → Because firms cannot increase supply quickly enough, so they raise prices. If prices rise faster than wages, consumers can actually become worse off even during a boom

2. Boom may be unsustainable

Why? → If spending is driven by savings or cheap credit, it can collapse once money runs out.

3. Labour shortages can appear

Why? → Because firms hire aggressively, so skilled workers become scarce and wages rise too fast.

4. Some firms over‑invest

Why? → They expect demand to stay high, but if the boom ends, they are stuck with excess capacity.



RECESSSION

  • recession is two consecutive quarters of negative GDP growth

  • Unemployment rises sharply

  • consumer spending collapses

  • firms cut investment

  • government tax revenue falls.

  • confidence is very low


AO2(RECESSSION)

UK 2020 recession:

lockdowns shut businesses → GDP fell 9.8% → unemployment rose → government spent billions on furlough to protect incomes


Chain of analysis

  • Lockdowns forced businesses to close.

  • → Firms lost revenue.

  • → They cut production.

  • → Workers lost jobs or were furloughed.

  • → Incomes fell.

  • → Consumers reduced spending.

  • → Firms saw even lower demand.

  • → Investment collapsed.

  • → GDP fell sharply → recession.


Evaluation(RECESSSION)

1. Not all sectors suffer

Why? → Essential retailers (Aldi, Lidl) gain customers as people trade down.

2. Recessions can remove inefficient firms

Why? → Weak firms cannot survive low demand, improving long‑term productivity.

3. Government stimulus can shorten recessions

Why? → Spending boosts demand and protects jobs.

4. Recessions hurt young workers most

Why? → Firms stop hiring, so youth unemployment rises faster.



RECOVERY — FULL NOTES

A) Simple Notes

  • Recovery = economy starts growing again after a recession.

  • GDP rises.

  • Unemployment falls.

  • Consumer confidence improves.

  • Firms invest again.

  • Inflation may rise.

B) AO2 Example (clear + explained)

UK 2021 recovery:
Lockdowns ended → consumers returned to shops and restaurants → firms rehired workers → GDP grew again.

C) Chain of Analysis (bullet points + linked to AO2)

Using the UK 2021 example:

  • Lockdowns ended.

  • → Consumers returned to normal spending.

  • → Firms saw higher sales.

  • → They increased production.

  • → They rehired workers.

  • → Incomes rose.

  • → Spending increased further.

  • → GDP grew → recovery strengthened.

D) Evaluation (each point + 1‑sentence “why?”)

1. Recovery may be slow

Why? → Consumers may still fear job losses and save more.

2. Jobless recovery is possible

Why? → Firms may invest in automation instead of hiring workers.

3. Inflation may rise too quickly

Why? → Demand recovers faster than supply.

4. Recovery depends on global conditions

Why? → If trading partners are still in recession, exports stay weak.

E) Explained Evaluation (1–2 sentences each)

1. Confidence is the key driver

If consumers don’t trust the economy yet, they won’t spend, slowing the recovery even if GDP is rising.

2. Automation weakens labour market recovery

If firms replace workers with machines, unemployment stays high, reducing incomes and slowing demand.



RECOVERY — FULL NOTES

A) Simple Notes

  • Recovery = economy starts growing again after a recession.

  • GDP rises.

  • Unemployment falls.

  • Consumer confidence improves.

  • Firms invest again.

  • Inflation may rise.

B) AO2 Example (clear + explained)

UK 2021 recovery:
Lockdowns ended → consumers returned to shops and restaurants → firms rehired workers → GDP grew again.

C) Chain of Analysis (bullet points + linked to AO2)

Using the UK 2021 example:

  • Lockdowns ended.

  • → Consumers returned to normal spending.

  • → Firms saw higher sales.

  • → They increased production.

  • → They rehired workers.

  • → Incomes rose.

  • → Spending increased further.

  • → GDP grew → recovery strengthened.

D) Evaluation (each point + 1‑sentence “why?”)

1. Recovery may be slow

Why? → Consumers may still fear job losses and save more.

2. Jobless recovery is possible

Why? → Firms may invest in automation instead of hiring workers.

3. Inflation may rise too quickly

Why? → Demand recovers faster than supply.

4. Recovery depends on global conditions

Why? → If trading partners are still in recession, exports stay weak.

E) Explained Evaluation (1–2 sentences each)

1. Confidence is the key driver

If consumers don’t trust the economy yet, they won’t spend, slowing the recovery even if GDP is rising.

2. Automation weakens labour market recovery

If firms replace workers with machines, unemployment stays high, reducing incomes and slowing demand.



1. What is the circular flow?

  • The economy is a loop between households and firms.

  • Households give firms factors of production (land, labour, capital, enterprise).

  • Firms give households income (wages, rent, interest, profit).

  • Households spend income on goods and services.

  • Firms produce output to sell to households.

2. Key identity

Income = Expenditure = Output
This is because every £ spent becomes someone else’s income.

3. Withdrawals (Leakages)

Money leaves the circular flow through:

  • Savings (S)

  • Taxes (T)

  • Imports (M)

If leakages rise → the circular flow slows → GDP falls.

4. Injections

Money enters the circular flow through:

  • Investment (I)

  • Government spending (G)

  • Exports (X)

If injections rise → the circular flow speeds up → GDP rises.

5. Equilibrium

  • If Injections = Withdrawals, the economy is stable.

  • If Injections > Withdrawals, GDP grows.

  • If Withdrawals > Injections, GDP shrinks.

B) AO2 Example (clear + explained)

UK 2020–2021:
Government increased spending massively through furlough (injection) → households received income → spending increased → firms stayed open → circular flow strengthened.

UK imports 2023:
High imports of energy increased leakages → money left the UK → reduced GDP growth.

C) Chain of Analysis (bullet points + linked to AO2)

Using the UK furlough example:

  • Government increased spending (injection).

  • → Households received furlough income.

  • → They continued spending on essentials.

  • → Firms received revenue.

  • → Firms kept workers employed.

  • → Incomes stayed stable.

  • → Spending stayed stable.

  • → Circular flow remained strong.

  • → GDP fell less than it would have.

Using the UK imports example:

  • UK imported more energy.

  • → Money flowed out of the UK economy (withdrawal).

  • → Less money circulated between UK households and firms.

  • → Firms saw lower domestic demand.

  • → Output fell.

  • → GDP growth slowed.

D) Evaluation (each point + 1‑sentence “why?”)

1. Leakages don’t always reduce GDP

Why? → Because savings can be turned into investment later.

2. Injections may not increase GDP much

Why? → If confidence is low, households may save the extra income instead of spending it.

3. Imports can be beneficial

Why? → They give consumers cheaper goods, increasing real incomes.

4. Government spending can be inefficient

Why? → Poorly targeted spending may not reach the households who would actually spend it.

E) Explained Evaluation (1–2 sentences each)

1. Savings can become investment

If banks lend out savings to firms, the withdrawal becomes an injection, meaning the negative effect disappears.

2. Injections depend on the multiplier

If households save most of the extra income, the multiplier effect is weak, so injections have a small impact on GDP.

3. Imports improve living standards

Even though imports are leakages, they allow consumers to buy cheaper or higher‑quality goods, increasing welfare.

4. Government spending effectiveness varies

If government spending goes to unproductive projects, it won’t boost output much, so the circular flow doesn’t strengthen significantly.



1. What is inflation?

  • Inflation = general increase in prices over time.

  • Measured using CPI (Consumer Price Index).

  • UK inflation target = 2%.

2. Types of inflation

Demand‑pull inflation
  • Caused by too much demand in the economy.

  • Happens when AD increases faster than AS.

Cost‑push inflation
  • Caused by higher production costs.

  • Firms raise prices to protect profit margins.

Built‑in (wage‑price spiral)
  • Workers demand higher wages because prices rise.

  • Firms raise prices to cover higher wages.

  • Cycle repeats.

3. Consequences of inflation

  • Reduces purchasing power.

  • Creates uncertainty for firms.

  • Can reduce international competitiveness.

  • Hurts savers but helps borrowers.

4. Deflation

  • Prices fall.

  • Sounds good, but can be dangerous.

  • Consumers delay spending → firms cut output → unemployment rises.

B) AO2 Examples (clear + explained)

UK 2022–2023 inflation surge

  • Inflation peaked at 11.1% in 2022.

  • Caused by energy price increases (cost‑push) and post‑COVID demand (demand‑pull).

  • Households struggled with higher food and fuel prices.

Wage‑price spiral example

  • UK public sector workers demanded higher wages due to rising living costs.

  • Higher wages increased firms’ costs → firms raised prices again.

C) Chain of Analysis (bullet points + linked to AO2)

Using the UK 2022–23 inflation surge:

Cost‑push chain
  • Energy prices increased sharply.

  • → Firms faced higher production costs.

  • → They raised prices to protect profit margins.

  • → CPI inflation increased.

  • → Households’ real incomes fell.

  • → Consumers reduced spending on non‑essentials.

Demand‑pull chain
  • Post‑COVID reopening increased demand.

  • → Firms struggled to meet demand quickly.

  • → Shortages appeared.

  • → Firms raised prices.

  • → Inflation increased further.

Wage‑price spiral chain
  • Prices rose.

  • → Workers demanded higher wages.

  • → Firms’ costs increased.

  • → Firms raised prices again.

  • → Inflation became persistent.

D) Evaluation (each point + 1‑sentence “why?”)

1. Inflation depends on the cause

Why? → Cost‑push inflation is harder to control because raising interest rates doesn’t reduce energy prices.

2. Some firms benefit from inflation

Why? → Firms with strong market power (e.g., supermarkets) can raise prices faster than costs.

3. Borrowers benefit from inflation

Why? → The real value of their debt falls as prices rise.

4. Inflation may be temporary

Why? → If caused by one‑off shocks (e.g., energy spike), prices stabilise once the shock fades.

5. High inflation hurts low‑income households most

Why? → Essentials like food and energy take up a larger share of their income.

E) Explained Evaluation (1–2 sentences each)

1. Interest rates may not fix cost‑push inflation

If inflation is caused by global energy prices, raising interest rates only reduces demand, not the root cause — meaning inflation may stay high even with tight monetary policy.

2. Firms with pricing power can profit

Large firms like Tesco or Shell can raise prices more than their costs rise, increasing profit margins during inflationary periods.

3. Inflation can reduce real debt

If someone has a fixed mortgage, inflation reduces the real value of repayments, making debt easier to manage — but only if wages rise too.

4. Temporary inflation is less harmful

If inflation is caused by a one‑off supply shock, it may fall naturally, meaning aggressive policy tightening could unnecessarily slow the economy



1. Employment

  • Employment = people with jobs.

  • High employment → more income → more spending → higher GDP.

  • Firms hire more workers when demand is high.

2. Unemployment

  • Unemployment = people actively looking for work but without a job.

  • Measured using the ILO measure (international standard).

  • Also measured using the Claimant Count (people claiming benefits).

3. Types of Unemployment

Cyclical unemployment
  • Caused by recession or low demand.

  • Firms cut jobs because sales fall.

Structural unemployment
  • Caused by changes in the economy.

  • Workers’ skills don’t match new jobs.

  • Example: coal miners losing jobs due to renewable energy.

Frictional unemployment
  • Short‑term unemployment when people move between jobs.

Seasonal unemployment
  • Jobs only available at certain times of year (e.g., tourism, farming).

Real‑wage unemployment
  • Wages are too high, so firms hire fewer workers.

4. Consequences of Unemployment

  • Lower incomes.

  • Lower consumer spending.

  • Lower tax revenue for government.

  • Higher government spending on benefits.

  • Loss of skills (hysteresis).

  • Lower business confidence.

5. Consequences of High Employment

  • Higher incomes.

  • Higher spending.

  • Higher tax revenue.

  • Labour shortages → wage rises → inflation.

B) AO2 Examples (clear + explained)

UK 2020–2021 unemployment

  • COVID lockdowns caused cyclical unemployment.

  • Hospitality and retail lost millions of jobs.

UK 2022–2023 labour shortages

  • Post‑Brexit and post‑COVID shortages in HGV drivers, nurses, and hospitality workers.

  • Firms raised wages to attract staff.

Structural unemployment example

  • Decline of UK steel and coal industries → workers’ skills no longer needed.

C) Chain of Analysis (bullet points + linked to AO2)

Using the UK 2020 cyclical unemployment example:

  • Lockdowns reduced demand for hospitality and retail.

  • → Firms lost revenue.

  • → They cut staff to reduce costs.

  • → Workers lost income.

  • → Consumer spending fell.

  • → Firms saw even lower demand.

  • → More job losses occurred.

  • → Unemployment increased sharply.

Using the UK 2022 labour shortage example:

  • Fewer workers available (Brexit + COVID).

  • → Firms struggled to fill vacancies.

  • → They increased wages to attract workers.

  • → Higher wages increased firms’ costs.

  • → Firms raised prices.

  • → Inflation increased.

D) Evaluation (each point + 1‑sentence “why?”)

1. Not all unemployment is bad

Why? → Frictional unemployment shows people are moving to better jobs.

2. High employment can cause inflation

Why? → Labour shortages push wages up, increasing firms’ costs.

3. Structural unemployment is hard to fix

Why? → Workers need retraining, which takes time and money.

4. Government spending may not reduce unemployment

Why? → If confidence is low, firms may still avoid hiring.

5. Unemployment affects groups differently

Why? → Young workers and low‑skilled workers are hit hardest because they are easier to replace.

E) Explained Evaluation (1–2 sentences each)

1. Frictional unemployment can be healthy

It shows workers are confident enough to leave jobs and search for better ones, which can improve productivity in the long run.

2. Labour shortages can damage firms

If firms cannot find workers, they may reduce output or delay expansion, limiting economic growth even when employment is high.

3. Structural unemployment creates long‑term problems

If workers’ skills become outdated, they may remain unemployed for years, reducing the economy’s productive capacity.

4. Government intervention may be ineffective

If firms expect low future demand, they won’t hire even if the government offers subsidies or tax cuts.9