Everything you need to know about macroeconomic objectives for Edexcel IAL Economics Unit 2 (WEC12) — including how they are measured, why they conflict, and the policies used to achieve them.
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Macroeconomic objectives are the goals that governments aim to achieve for the economy as a whole. The main objectives are: sustained economic growth (a steady increase in real GDP), low and stable inflation (typically targeting around 2%), low unemployment (full employment, allowing for some frictional unemployment), a sustainable balance of payments (avoiding persistent current account deficits), fair distribution of income, and environmental sustainability. These objectives often conflict with one another, creating policy trade-offs.
Economic growth is measured by the percentage change in real GDP over time. Actual growth occurs when an economy moves closer to its production possibility frontier (PPF), while potential growth shifts the PPF outward. Short-run growth is driven by increases in aggregate demand, while long-run growth requires improvements in the productive capacity of the economy through investment, education, technology and infrastructure. The costs of growth include environmental degradation, inequality, and inflation if demand grows faster than supply.
Inflation is a sustained increase in the general price level, measured by CPI in the UK. Demand-pull inflation occurs when aggregate demand exceeds aggregate supply at full employment. Cost-push inflation results from increases in production costs (e.g. rising oil prices, wages, raw materials). The costs of inflation include erosion of purchasing power, uncertainty for businesses, reduced international competitiveness, and fiscal drag. Most central banks target 2% inflation as a balance between price stability and avoiding deflation.
Unemployment is measured using the claimant count (those claiming unemployment benefits) and the ILO/Labour Force Survey (those without work, actively seeking and available). Types include: cyclical unemployment (caused by insufficient aggregate demand during recessions), structural unemployment (mismatch between workers' skills and available jobs), frictional unemployment (short-term, between jobs), and seasonal unemployment. Full employment does not mean zero unemployment — it means only voluntary and frictional unemployment remains.
The balance of payments records all financial transactions between one country and the rest of the world. The current account includes trade in goods, trade in services, primary income (investment returns) and secondary income (transfers). A current account deficit means the country imports more than it exports. Persistent deficits may indicate a loss of competitiveness, over-reliance on imports, or a strong currency making exports expensive. The Marshall-Lerner condition and J-curve effect explain how exchange rate depreciation affects the trade balance over time.
The key conflict in macroeconomics is between growth/unemployment and inflation — the Phillips Curve illustrates the short-run trade-off between unemployment and inflation. Expansionary fiscal or monetary policy may reduce unemployment but risk demand-pull inflation. Contractionary policy controls inflation but may cause higher unemployment. Other conflicts include: growth vs environment, growth vs current account (rising incomes increase import spending), and low inflation vs low unemployment. Governments must prioritise objectives based on the current economic situation.
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