GCSE WJEC Economics: Economic Growth Revision | GCSE WJEC 经济：经济增长考点精讲

📚 GCSE WJEC Economics: Economic Growth Revision | GCSE WJEC 经济：经济增长考点精讲

Economic growth is one of the most important macroeconomic objectives for any country. In the WJEC GCSE Economics specification, understanding economic growth means knowing how to define it, measure it, analyse its causes and consequences, and evaluate the policies governments use to achieve sustainable growth. This revision guide covers all the essential points you need for your exam.

经济增长是任何国家最重要的宏观经济目标之一。在 WJEC GCSE 经济学课程中，理解经济增长意味着要知道如何定义和衡量它，分析其原因和后果，并评估政府为实现可持续增长所采用的政策。本复习指南涵盖了你考试所需的所有要点。

1. Definition of Economic Growth | 经济增长的定义

Economic growth is defined as a sustained increase in the real value of goods and services produced by an economy over a period of time. It is commonly measured by the percentage change in real Gross Domestic Product (GDP).

经济增长被定义为一个经济体在一段时间内生产的商品和服务的实际价值的持续增长。它通常以实际国内生产总值（GDP）的百分比变化来衡量。

There is a distinction between actual growth (an increase in real GDP) and potential growth (an increase in the productive capacity of the economy). Potential growth is represented by an outward shift of the production possibility frontier (PPF).

有必要区分实际增长（实际GDP的增加）和潜在增长（经济体生产能力的提高）。潜在增长表现为生产可能性边界（PPF）向外移动。

Economic growth is usually expressed as an annual percentage rate. For example, the UK government targets stable and sustainable growth of around 2-2.5% per year.

经济增长通常以年度百分比表示。例如，英国政府的目标是每年实现约2%至2.5%的稳定可持续增长。

2. Measuring Economic Growth | 衡量经济增长

Nominal GDP measures the value of output at current prices, but this can be misleading when prices rise. Real GDP adjusts for inflation to show the true volume of output.

名义GDP以当前价格衡量产出的价值，但当价格上涨时这可能会产生误导。实际GDP剔除了通胀因素，以显示产出的真实数量。

The formula to convert nominal GDP to real GDP is:

将名义GDP转换为实际GDP的公式是：

Real GDP = (Nominal GDP ÷ Price Index) × 100

Where the price index is often the GDP deflator or the Consumer Price Index (CPI).

价格指数通常是GDP平减指数或消费者价格指数（CPI）。

To compare living standards across countries or over time, economists use real GDP per capita, which is real GDP divided by the population. This gives a better indication of average income.

为了比较不同国家或不同时期的生活水平，经济学家使用人均实际GDP，即实际GDP除以人口。这能更好地反映平均收入。

The economic growth rate is calculated as:

经济增长率的计算方式是：

Growth Rate (%) = [(Real GDP₂ − Real GDP₁) ÷ Real GDP₁] × 100

A positive growth rate indicates expansion; a negative growth rate over two consecutive quarters is officially called a recession.

正增长率表示经济扩张；连续两个季度出现负增长则被正式称为衰退。

3. Causes of Economic Growth | 经济增长的原因

Economic growth can be driven by an increase in the quantity or quality of factors of production:

经济增长可以由生产要素数量或质量的提升来推动：

Land: Discovery of new natural resources (e.g. oil, minerals) or improved land use increases output.

土地：发现新的自然资源（如石油、矿产）或改善土地利用会增加产出。

Labour: A larger workforce (through population growth or immigration) and higher labour productivity (through education, training and better health) boost GDP.

劳动力：更大的劳动力规模（通过人口增长或移民）以及更高的劳动生产率（通过教育、培训和更好的健康状况）会推动GDP增长。

Capital: Investment in physical capital (machinery, factories, infrastructure) expands productive capacity. This is often financed by savings and foreign

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