Government macroeconomic intervention

Governments in mixed economies do not leave everything to market forces. They intervene to manage the economy and improve the welfare of their citizens. To do this, they set key targets, known as macroeconomic objectives. The four main objectives are:

1. Low and Stable Inflation: Keeping price rises predictable and slow protects the value of people's savings and keeps the country's goods competitive abroad.
2. High and Stable Employment (Low Unemployment): Aiming for full employment means more people have jobs and incomes, leading to higher living standards and less government spending on unemployment benefits.
3. Economic Growth: This means an increase in the country's total output of goods and services (measured by GDP). Sustainable growth leads to higher average incomes and better public services.
4. Stable Balance of Payments: This involves managing the flow of money between the country and the rest of the world, avoiding large, persistent deficits or surpluses on the current account.

Governments also pursue other goals, such as reducing poverty, creating a more equal distribution of income, and protecting the environment.

Demand-side policies are actions taken by a government to influence the level of aggregate demand (AD) in the economy. Aggregate demand is the total spending on a country's goods and services at a given price level. It is made up of four components: Consumption (C), Investment (I), Government Spending (G), and Net Exports (Exports (X) minus Imports (M)). Governments use demand-side policies to steer the economy away from problems like high unemployment or high inflation. If the economy is in a recession (high unemployment, low growth), the government can use 'expansionary' policies to boost AD. If the economy is 'overheating' (high inflation), it can use 'contractionary' policies to reduce AD. There are two types of demand-side policy: Fiscal Policy and Monetary Policy.

Fiscal policy is one of the two types of demand-side policy. It involves the government changing its own spending levels and the rates of taxation to influence aggregate demand.

Expansionary Fiscal Policy: Used to fight a recession. The government can:

1. Increase Government Spending (G): Building new schools, roads, or hospitals directly increases AD and creates jobs.
2. Cut Taxes (T): Cutting income tax increases consumers' disposable income, encouraging more consumption (C). Cutting corporation tax leaves firms with more profit, encouraging investment (I).

Contractionary Fiscal Policy: Used to fight high inflation. The government can:

1. Decrease Government Spending (G): Postponing infrastructure projects reduces total AD.
2. Raise Taxes (T): Increasing income tax reduces disposable income, discouraging consumption (C). Raising corporation tax reduces funds for investment (I).

Monetary policy is the other main type of demand-side policy. It is typically carried out by a country's central bank (e.g., the Bank of England in the UK) and involves managing interest rates and the money supply to influence aggregate demand.

The main tool is the 'base interest rate', which is the rate the central bank charges other commercial banks. This influences all other interest rates in the economy, such as those for mortgages, personal loans, and savings accounts.

Expansionary (or 'Loose') Monetary Policy: Used to boost the economy. The central bank cuts interest rates. This makes borrowing cheaper and saving less attractive. Consumers are more likely to take out loans for cars and holidays, and firms are more likely to borrow to invest. This increases Consumption (C) and Investment (I), boosting AD.

Contractionary (or 'Tight') Monetary Policy: Used to control inflation. The central bank raises interest rates. This makes borrowing more expensive and saving more attractive. Consumers and firms are discouraged from spending and are encouraged to save. This reduces Consumption (C) and Investment (I), lowering AD and easing pressure on prices.

Unlike demand-side policies, which manage AD, supply-side policies aim to increase the economy's productive potential. They focus on making markets and industries more efficient, aiming to shift the aggregate supply (AS) curve to the right. A successful supply-side policy allows the economy to grow and produce more without causing high inflation. Key examples include:

1. Privatisation: Selling state-owned enterprises (like a national airline or energy company) to the private sector. The argument is that private firms, driven by the profit motive, will be more efficient.
2. Deregulation: Removing or simplifying laws and regulations that are costly for businesses to follow. This can lower firms' costs and encourage new firms to enter a market.
3. Improving Education and Training: Government spending on schools, universities, and vocational training makes the workforce more skilled and productive.
4. Lowering Corporation Tax: This can be both a fiscal policy and a supply-side policy. As a supply-side policy, it encourages firms to invest their extra profits in new technology and expansion.
5. Labour Market Reforms: Making it easier to hire workers or reducing the power of trade unions can make labour markets more flexible, encouraging firms to employ more people.

It is very difficult for a government to achieve all of its macroeconomic objectives at the same time. Often, pursuing one goal can make another goal harder to achieve. This is known as a policy conflict.

Key Conflicts:

1. Low Unemployment vs. Low Inflation: This is the most famous conflict. If a government uses expansionary demand-side policies to lower unemployment, the resulting high aggregate demand can pull prices up, causing inflation. Conversely, using contractionary policies to fight inflation can lead to lower output and higher unemployment.
2. Economic Growth vs. Balance of Payments Stability: Rapid economic growth often leads to a rise in incomes. When people have more money, they tend to spend more on all goods, including imports. If imports rise faster than exports, the current account balance can worsen, leading to an unstable balance of payments.
3. Economic Growth vs. Environmental Protection: Fast economic growth can lead to increased pollution, depletion of natural resources, and environmental damage. Policies to protect the environment, like 'green taxes' on pollution, can increase costs for firms and slow down growth.

Governments must therefore make difficult choices and decide which objectives to prioritise.