AQA A-Level Economics (7136)

## Learning Outcomes

- Explain why governments face conflicts between macroeconomic objectives, especially in the short run
- Identify the main trade-offs involving growth, unemployment, inflation and the current account
- Use **AD/AS analysis** and the **Phillips curve** to explain macroeconomic conflicts
- Distinguish between short-run policy trade-offs and long-run outcomes
- Assess when supply-side policies may reduce conflicts between objectives
- Apply evaluation by considering spare capacity, time lags, expectations and the cause of inflation

## AQA A-Level Economics (7136) Syllabus

For the AQA A-Level Economics (7136), you are expected to understand conflicts between macroeconomic objectives, with a focus on the following syllabus points:

- Know that governments aim for economic growth, low unemployment, low and stable inflation, and balance of payments equilibrium on current account
- Explain why these objectives may conflict, especially in the short run
- Understand how an increase in **aggregate demand** can raise output and employment but also increase inflationary pressure and imports
- Identify the conflict between low unemployment and low inflation using the **short-run Phillips curve**
- Explain why the long-run Phillips curve suggests no permanent trade-off between inflation and unemployment
- Distinguish between **demand-led growth** and **supply-led growth**
- Understand how spare capacity and output gaps affect the severity of policy conflicts
- Assess whether **supply-side policies** can reduce or resolve conflicts between objectives over time

## Test Your Knowledge

_Attempt these questions before reading this article. If you find some difficult or cannot remember the answers, look more closely at that area during your revision._

1. Why might faster economic growth lead to higher inflation?
2. How can a policy that reduces inflation also increase unemployment?
3. What does the short-run Phillips curve show?
4. Why might rapid growth worsen the current account?
5. How can supply-side policies reduce conflicts between macroeconomic objectives?

## Introduction

Governments usually want several good outcomes at the same time: rising real GDP, low unemployment, low and stable inflation, and a sustainable current account position. The problem is that these aims do not always move together. A policy that improves one objective may make another worse.

![Macroeconomic policy trade-offs between growth, unemployment, inflation, and the current account under AD/AS and short-run Phillips curve analysis.](https://static.pastpaperhero.com/images/aqa-a-level-economics-7136-macroeconomic-performance-conflicts-between-macroeconomic-objectives_00.png)

_Aggregate demand expansion raises real GDP and employment but increases inflationary pressure and import demand, illustrating short-run macroeconomic conflicts._

This is a core Paper 3 topic because it tests both analysis and evaluation. You need to explain the conflict clearly, often using **AD/AS** or the **Phillips curve**, and then judge whether the conflict is temporary, avoidable, or less severe in particular conditions such as when the economy has spare capacity.

> **Key Term: macroeconomic objectives**
> The main targets of government economic policy, usually including economic growth, low unemployment, low and stable inflation, and a stable balance of payments on current account.

### What is a policy conflict?

A **policy conflict** exists when improving one macroeconomic objective makes another harder to achieve. In practice, governments often face a **trade-off** rather than a perfect choice between success and failure. They may accept a bit more inflation to reduce unemployment, or slower growth to bring inflation down.

> **Key Term: policy conflict**
> A situation where two policy objectives cannot both be achieved fully at the same time.
>
> **Key Term: trade-off**
> A compromise between conflicting objectives, where gaining more of one objective means accepting less of another.

The conflict is usually strongest in the short run. In the long run, some economists argue that better supply-side performance can make the objectives more compatible.

A useful way to think about this topic is through output gaps:

- A **negative output gap** means actual GDP is below potential GDP, so there is spare capacity
- A **positive output gap** means actual GDP is above sustainable capacity, so inflationary pressure rises
  > **Key Term: output gap**
  > The difference between actual GDP and potential GDP.

When a negative output gap is large, increasing aggregate demand may raise output with only limited inflation. When the economy is near full capacity, the same rise in demand is much more likely to create inflation and external imbalance.

### Growth, unemployment, inflation and the current account

The most common exam route into this topic is to show how a rightward shift in **aggregate demand** affects the economy.

> **Key Term: aggregate demand (AD)**
> Total planned spending on domestically produced goods and services in an economy, equal to C + I + G + (X − M).

If AD rises, firms increase output. To do this, they hire more labour, so unemployment tends to fall. This helps two objectives:

- higher economic growth
- lower unemployment

However, as real GDP rises, the price level may also rise. This creates **demand-pull inflation**, especially if the economy is close to full capacity.

> **Key Term: demand-pull inflation**
> Inflation caused by aggregate demand rising faster than the economy’s productive capacity.

There may also be a current account problem. Higher income leads households and firms to buy more imports. If imports rise faster than exports, the current account may worsen.

> **Key Term: current account balance**
> The balance of trade in goods and services, plus primary income and secondary income.

So the standard chain of analysis is:

- expansionary policy raises AD
- real output rises
- unemployment falls
- inflationary pressure increases
- imports rise
- current account may worsen

This explains two major conflicts:

- growth vs inflation
- growth vs current account balance

You should also be able to explain the reverse case. If the government uses contractionary monetary or fiscal policy to reduce inflation, AD may fall. That can lower inflation and reduce imports, helping the current account. But it may also slow growth and increase unemployment.

> **Test Tip:** In a 9- or 15-mark answer, do not just say "objectives conflict". Show the transmission process step by step. Examiners reward chains such as "higher AD -> higher real GDP -> lower cyclical unemployment -> excess demand -> demand-pull inflation".

A strong evaluation point is that not all growth is equally inflationary. If growth is **demand-led**, conflict is more likely. If growth comes from an increase in **aggregate supply**, the conflict is weaker.

For example, if productive capacity increases, the economy can produce more without the same upward pressure on prices. Lower costs may even reduce inflation while output rises.

> **Key Term: aggregate supply (AS)**
> The total output firms are willing and able to produce at different price levels.

This is why supply-side improvement matters so much in evaluation. A rightward shift in LRAS can allow:

- higher output
- lower unemployment
- lower inflationary pressure
- better international competitiveness

That last point matters because lower domestic costs can improve exports and reduce pressure on the current account.

### The Phillips curve and the inflation-unemployment trade-off

The best-known conflict is between unemployment and inflation. The **short-run Phillips curve** shows an inverse relationship between the rate of unemployment and the rate of inflation.

> **Key Term: short-run Phillips curve**
> A curve showing an inverse relationship between unemployment and inflation in the short run.

Why might lower unemployment lead to higher inflation?

First, when the economy gets closer to full employment, labour becomes scarcer. Firms compete more for workers, especially skilled workers. Wages rise. Rising wage costs may then be passed on as higher prices.

Second, low unemployment often raises confidence. Households feel safer in their jobs and spend more, increasing aggregate demand and adding to inflationary pressure.

So lower unemployment can be linked to both:

- stronger wage pressure
- stronger demand-pull inflation

However, this trade-off is mainly a short-run idea. In the long run, many economists argue that there is no permanent choice between lower unemployment and higher inflation.

> **Key Term: long-run Phillips curve**
> A vertical curve showing that in the long run there is no permanent trade-off between inflation and unemployment.

The long-run Phillips curve is usually drawn vertical at the **natural rate of unemployment** or **NAIRU**.

> **Key Term: natural rate of unemployment**
> The rate of unemployment that exists when the labour market is in equilibrium, including frictional and structural unemployment.

If policymakers try to keep unemployment below this level using repeated demand-side expansion, workers and firms may begin to expect inflation. Wage demands rise further, and inflation accelerates. The result is not permanently lower unemployment, but simply higher inflation.

This gives you a high-quality evaluative point:

- short run: a trade-off may exist
- long run: the trade-off may disappear

Another important qualifier is spare capacity. If the economy is in deep recession with a large negative output gap, higher AD may reduce unemployment with only small inflationary effects. So the Phillips curve trade-off may be less severe when there is substantial unused capacity.

> **Test Tip:** If a question mentions recession, weak demand, or spare capacity, use that as evaluation. It often weakens the conflict between growth and inflation in the short run.

### Other conflicts and how to evaluate them

AQA essays often reward answers that move beyond the basic two-objective story. Two further conflicts are especially useful.

The first is growth versus equality. Governments may try to reduce inequality through progressive taxation and welfare transfers. This can make the distribution of income more equal. However, some economists argue that higher taxes reduce incentives to work, save, invest or take risks. If so, long-run growth could slow.

This argument should be handled carefully. It is not enough to repeat "higher tax reduces incentive". You need evaluation:

- the effect depends on how high tax rates are
- revenue may fund education, health and infrastructure, which raise productivity
- lower inequality may increase social stability and human capital

So there is a possible conflict, but not an automatic one.

The second is living standards now versus living standards in the future. If households and governments choose higher consumption now, saving and investment may be lower. That can reduce capital formation and future productive capacity. In other words, current gains may come at the expense of future growth.

This is an **intertemporal** trade-off.

> **Key Term: supply-side policies**
> Policies designed to increase productive potential, improve efficiency, and shift LRAS to the right.

Supply-side policies are often presented as the best long-run way to reduce macroeconomic conflicts. If they increase labour productivity, improve participation, or raise investment efficiency, they may lower the natural rate of unemployment and allow faster non-inflationary growth.

Examples include:

- education and training
- infrastructure investment
- measures to increase labour mobility
- policies to raise competition and efficiency

But evaluation is essential. Supply-side policies are not a guaranteed solution:

- many take a long time to work
- effects are uncertain
- some are expensive
- some may have political costs
- other countries may also improve their supply side

There are also cases where conflicts become sharper because of supply shocks. A negative supply shock, such as a rise in energy prices, shifts SRAS left. Inflation rises while output falls. Unemployment may rise too. This is a much more difficult policy problem because inflation and unemployment worsen together.

That is why correct diagnosis matters. If inflation is mainly cost-push, reducing AD may lower inflation but could also cause a large fall in output and employment.

### How to structure an evaluative answer

For a 15- or 25-mark response, use a clear line of reasoning.

Start by identifying the objectives in conflict. Then explain the main mechanism with an applied chain of analysis, usually through AD/AS or the Phillips curve. After that, evaluate using factors that can change the outcome.

Strong evaluation often includes:

- whether the economy has spare capacity
- whether growth is demand-led or supply-led
- whether the issue is short run or long run
- whether inflation is demand-pull or cost-push
- the role of inflation expectations
- the size of imports and competitiveness effects
- time lags and limits of supply-side policy

A useful structure is:

- on the one hand, demand-side expansion may reduce unemployment and increase growth
- on the other hand, it may cause inflation and a worse current account
- it depends on spare capacity, the output gap, and whether productive capacity is also rising

That final "it depends on" section is usually where the top-level judgement comes from.

## Key Point Checklist

_This article has covered the following key knowledge points:_

- Governments usually aim for growth, low unemployment, low and stable inflation, and a sustainable current account position
- A policy conflict exists when improving one objective makes another harder to achieve
- A trade-off means accepting a compromise between conflicting objectives
- Expansionary demand-side policy can raise output and reduce unemployment, but may also increase inflation
- Faster growth can worsen the current account because higher national income often increases import spending
- The short-run Phillips curve shows an inverse relationship between inflation and unemployment
- The long-run Phillips curve suggests no permanent trade-off between inflation and unemployment
- Spare capacity reduces the severity of short-run conflicts between growth and inflation
- Demand-led growth is more likely to create inflation than supply-led growth
- Supply-side policies may reduce conflicts by increasing productive capacity and lowering the natural rate of unemployment
- Negative supply shocks can create stagflation, making policy choices more difficult
- High-level evaluation depends on time horizon, the cause of inflation, and the size of the output gap

## Key Terms and Concepts

- macroeconomic objectives
- policy conflict
- trade-off
- output gap
- aggregate demand (AD)
- demand-pull inflation
- current account balance
- aggregate supply (AS)
- short-run Phillips curve
- long-run Phillips curve
- natural rate of unemployment
- supply-side policies


Macroeconomic Performance - Conflicts between macroeconomic objectives