Fiscal policy

💰 Fiscal Policy: The Government's Economic Toolkit

Welcome to the core of government macroeconomic intervention! Don't worry if this sounds complicated—Fiscal Policy is essentially just how the government uses its power over taxes and spending to steer the economy toward its objectives (like keeping prices stable and unemployment low).

In these notes, we will explore the different ways governments raise money (taxation) and spend money, and how these actions are deliberately managed to influence the overall level of economic activity (Aggregate Demand).

1. Understanding the Government Budget

1.1 What is the Government Budget? (5.2.1)

The Government Budget is simply the financial plan detailing the government's expected revenues (mainly from taxes) and its planned expenditures (spending) over a specific period, usually one year.

1.2 Budget Outcomes: Deficit vs. Surplus (5.2.2)

The relationship between government revenue (T) and government spending (G) determines the budget outcome:

• Budget Deficit: Occurs when Government Spending (G) > Government Revenue (T). The government spends more than it collects in taxes.
  Analogy: Imagine your monthly salary is less than your monthly bills. You have a personal deficit.
• Budget Surplus: Occurs when Government Revenue (T) > Government Spending (G). The government collects more in taxes than it spends.
  Analogy: Your monthly salary is more than your bills. You have a personal surplus.
• Balanced Budget: G = T.

1.3 The Significance of National Debt (5.2.3)

When a government runs a budget deficit, it usually has to borrow money to cover the gap. This borrowing adds to the National Debt.

Definition and Significance:

• National Debt: This is the total accumulated amount of money that the central government owes to domestic and foreign lenders (like banks, individuals, and other countries).
• Significance: A high national debt can be significant because it requires the government to spend a large amount of its annual budget on interest payments. This diverts funds away from other essential areas like healthcare or education, potentially limiting future government spending options.

Key Takeaway: The budget is a flow concept (T and G over a year), while the national debt is a stock concept (the total accumulation of past deficits).

2. The Two Core Tools of Fiscal Policy

Fiscal policy operates through two main levers: Taxation and Government Spending.

2.1 Tool 1: Taxation (5.2.4)

Governments impose taxes primarily to raise revenue, but also to influence consumption patterns and redistribute income.

Types of Taxes:

• Direct Taxes: Taxes imposed directly on income, wealth, or profits.
  Examples: Income tax (paid by households), Corporate Profit Tax (paid by firms), Inheritance tax.
• Indirect Taxes: Taxes imposed on spending or expenditure (goods and services).
  Examples: Sales tax, Value Added Tax (VAT), Excise duties (tax on specific goods like fuel or tobacco).

🧠 Memory Aid: Direct taxes are paid Directly from your paycheck; Indirect taxes are paid In the price of what you buy.

Tax Systems (Proportionality):

This describes how the tax burden relates to income:

• Progressive Tax: The proportion (percentage) of income paid in tax rises as income rises.
  Goal: Redistribution of income, making the tax burden heavier on the wealthy.
• Regressive Tax: The proportion (percentage) of income paid in tax falls as income rises. While everyone pays the same indirect tax amount (e.g., $1 tax on bread), this is a larger percentage of a poor person's income.
  Note: Most indirect taxes are regressive.
• Proportional Tax (Flat Tax): The proportion of income paid in tax remains constant regardless of income level.

Important Tax Rates:

• Average Rate of Taxation (ART): Total tax paid divided by total income.
  \[ART = \frac{\text{Total Tax Paid}}{\text{Total Income}}\]
• Marginal Rate of Taxation (MRT): The fraction of an additional dollar of income that is taken in tax. It is the tax rate applied to the next unit of income earned.
  Significance: This rate is crucial because it affects the incentive to work more.

Reasons for Taxation:

Beyond simply raising revenue, taxes are used to:

• Fund public and merit goods (e.g., roads, defence).
• Redistribute income (using progressive taxes and transfer payments).
• Discourage the consumption of certain goods (e.g., high excise taxes on tobacco to reduce demerit goods consumption).

2.2 Tool 2: Government Spending (5.2.5)

Government expenditure is the second crucial component of fiscal policy, categorized by its economic purpose.

Types of Government Spending:

• Current Spending: Day-to-day spending that must be renewed annually.
  Examples: Public sector wages (teachers, police), cost of medicines, consumables.
• Capital Spending (Investment Spending): Spending on physical assets that increase the economy’s productive capacity (assets with a long lifespan).
  Examples: Building new highways, schools, hospitals, or power plants.

Reasons for Government Spending:

• Provide essential public goods (e.g., national defence, street lighting).
• Provide merit goods (e.g., public healthcare and education).
• Stabilize the economy (counter-cyclical spending).
• Redistribute income (through transfer payments like pensions and unemployment benefits).

3. Applying Fiscal Policy: Expansionary vs. Contractionary (5.2.6)

Fiscal policy is either Expansionary (used to boost economic activity) or Contractionary (used to slow down activity).

3.1 Expansionary Fiscal Policy (The Boost)

Expansionary policy is used when the economy is in a recession or experiencing slow growth, characterized by high unemployment and low real output.

• Objective: Increase Aggregate Demand (AD) to stimulate growth and reduce cyclical unemployment.
• How it works:
  1. Increase Government Spending (G): (e.g., funding large infrastructure projects). This is a direct injection into the circular flow of income.
  2. Decrease Taxes (T): (e.g., cutting income tax). This increases disposable income, leading to higher Consumption (C) and Investment (I).
• Did you know? This type of policy is heavily associated with the economist John Maynard Keynes, who argued that governments must spend during recessions when the private sector won't.

3.2 Contractionary Fiscal Policy (The Slowdown)

Contractionary policy is used when the economy is overheating, characterized by high demand-pull inflation.

• Objective: Decrease Aggregate Demand (AD) to slow down inflation.
• How it works:
  1. Decrease Government Spending (G): (e.g., cutting public sector budgets). This is a direct withdrawal from the circular flow.
  2. Increase Taxes (T): (e.g., raising income tax or VAT). This decreases disposable income, leading to lower Consumption (C) and Investment (I).

Key Takeaway: Expansionary policy shifts AD right. Contractionary policy shifts AD left.

4. AD/AS Analysis of Fiscal Policy Impact (5.2.7)

This is the most critical part: using the Aggregate Demand and Aggregate Supply (AD/AS) model to show the specific effects of fiscal policy on the economy.

4.1 The Mechanism

Remember the components of AD: \(AD = C + I + G + (X - M)\). Fiscal policy directly influences G (government spending) and indirectly influences C (consumption) and I (investment) via changes in taxation.

4.2 Impact of Expansionary Fiscal Policy (AD Shift Right)

If the government uses expansionary policy (G↑ and/or T↓), AD increases and the curve shifts to the right (from \(AD_1\) to \(AD_2\)).

The Effects on Macroeconomic Indicators:

1. Real Output/National Income (\(Y\)): Increases (from \(Y_1\) to \(Y_2\)). This means economic growth.
2. Employment: Increases as firms need more labour to produce the higher output, thus reducing unemployment.
3. Price Level (\(P\)): Rises (from \(P_1\) to \(P_2\)), potentially causing demand-pull inflation.

The size of the price level increase depends on how much spare capacity the economy has. If the economy is deep in recession (SRAS is flatter), the increase in output is large, but the increase in the price level is small. If the economy is near full employment (SRAS is steep), the increase in output is small, but inflation is high.

4.3 Impact of Contractionary Fiscal Policy (AD Shift Left)

If the government uses contractionary policy (G↓ and/or T↑), AD decreases and the curve shifts to the left (from \(AD_1\) to \(AD_2\)).

The Effects on Macroeconomic Indicators:

1. Real Output/National Income (\(Y\)): Decreases (from \(Y_1\) to \(Y_2\)). This slows down growth.
2. Employment: Decreases, potentially leading to a rise in unemployment.
3. Price Level (\(P\)): Falls (from \(P_1\) to \(P_2\)), helping to control inflation.

Common Mistake to Avoid: Do not confuse Fiscal Policy (Government spending and taxation) with Monetary Policy (Interest rates, money supply). They are distinct tools, although often used together.