The Distribution of Income and Wealth — CCEA A-Level Economics Revision
Government policies to redistribute income include taxation and welfare benefits. These policies aim to reduce inequality but involve trade-offs between eq
Topic Synopsis
Government policies to redistribute income include taxation and welfare benefits. These policies aim to reduce inequality but involve trade-offs between equity and economic efficiency.
Key Concepts & Core Principles
- Income vs. Wealth: Income is a flow of earnings over time (e.g., wages, dividends), while wealth is a stock of assets at a point in time (e.g., property, savings). Wealth generates income (e.g., rent from property), and income can be saved to build wealth.
- Lorenz Curve and Gini Coefficient: The Lorenz curve plots the cumulative percentage of income against the cumulative percentage of the population. The Gini coefficient is the area between the Lorenz curve and the line of perfect equality divided by the total area under the line of perfect equality. A higher Gini coefficient indicates greater inequality.
- Causes of Inequality: Include differences in skills and education (human capital), globalisation (which rewards high-skilled workers), technological change (automation displacing low-skilled jobs), inheritance (wealth bequests), and market power (monopoly profits).
- Government Redistribution Policies: Progressive taxation (higher tax rates on higher incomes), welfare benefits (e.g., Universal Credit, state pensions), minimum wage legislation, and public services (e.g., free education and healthcare) all aim to reduce inequality.
- Equity-Efficiency Trade-off: Redistribution may reduce incentives to work, save, and invest, potentially lowering economic growth. However, excessive inequality can lead to social unrest and underinvestment in human capital, harming long-run efficiency.
Exam Tips & Revision Strategies
- Use real-world examples like UK tax credits or Universal Credit.
- Discuss both benefits and drawbacks of redistribution.
- Link to concepts like the Laffer curve or poverty trap.
- Structure essays by first clearly defining key terms, then systematically addressing causes before moving to evaluation, ensuring each policy is assessed against criteria like impact on work incentives or fiscal sustainability.
- Enhance analysis with real-world context, such as citing UK-specific schemes (e.g., Universal Credit) or international comparisons (e.g., Nordic welfare models versus US approach), to ground arguments in application.
- Use diagrams like the Lorenz curve and Gini coefficient when discussing income inequality to visually support points on the distribution of poverty and the effects of redistribution.
- Always use the flow/stock distinction when defining income and wealth, and provide concrete examples like salary versus property ownership.
- When constructing a Lorenz curve, label axes and the line of perfect equality clearly; show the Gini coefficient as the area between the curves divided by the total area under the line of equality.
Common Misconceptions & Mistakes to Avoid
- Confusing progressive and regressive taxation.
- Ignoring incentive effects of redistribution policies.
- Overlooking the role of universal vs. means-tested benefits.
- Confusing absolute and relative poverty by failing to link them to their respective benchmarks or assuming absolute poverty doesn't exist in developed countries.
- Oversimplifying causes by attributing poverty solely to individual laziness or government failure, neglecting systemic economic and social factors.
- Providing a list of policies without meaningful evaluation—merely describing how they work rather than analysing strengths, weaknesses, and opportunity costs.
Examiner Marking Points
- Explains how taxation and benefits redistribute income.
- Evaluates the impact of redistribution on inequality and poverty.
- Analyses trade-offs between equity and efficiency.
- Uses examples to illustrate policy effects.
- Award credit for a precise definition of absolute poverty (subsistence level, often quantified by the World Bank's $1.90/day threshold) and relative poverty (social exclusion, measured as below 60% of median income), with clear differentiation.
- Look for a comprehensive explanation of causes, categorised into structural (e.g., low economic growth, technological change), individual (e.g., low skills, disability), and institutional (e.g., discrimination, inadequate education) factors.
- Credit evaluation that goes beyond description by applying criteria like effectiveness, efficiency, and equity to policies such as cash transfers, minimum wage laws, or progressive taxation, using real examples and considering trade-offs.
- Award credit for precisely defining income as a flow of money received over a period (e.g., wages) and wealth as a stock of accumulated assets (e.g., property, shares).