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Limitations of GDP

Gross Domestic Product ("GDP") is a commonly used measure of an economy's output and - by proxy - its well-being. However, it is not a perfect metric and has several limitations.

Non-market transactions

Non-market transactions

  • GDP includes production that is exchanged in the market, but it does not cover production that is not exchanged in the market.
  • For example, hiring someone to mow your lawn or clean your house is part of GDP, but doing these tasks yourself is not part of GDP.
Wealth inequality

Wealth inequality

  • GDP has nothing to say about the level of inequality in society. GDP per capita is only an average.
  • When GDP per capita rises by 5%, it could mean that GDP for everyone in the society has risen by 5%, or that GDP of some groups has risen by more while that of others has risen by less—or even declined.
  • The Gini Coefficient is a measure of income inequality that is commonly used by economists.
Accounting for externalities

Accounting for externalities

  • While GDP includes what a country spends on environmental protection, healthcare, and education, it does not include actual levels of environmental cleanliness, health, and learning.
  • GDP includes the cost of buying pollution-control equipment, but it does not address whether the air and water are actually cleaner or dirtier.
  • GDP includes spending on medical care, but does not address whether life expectancy or infant mortality have risen or fallen.
Sustainability of growth

Sustainability of growth

  • Looking at the change in GDP over a one-year period will tell you how much the economy has expanded (or shrunk) in a given year.
  • It will not, however, tell you anything about whether that level of growth is sustainable over the longer term.
Jump to other topics
1

Microeconomics

2

Macroeconomics

2.1

The Level of Overall Economic Activity

2.2

Aggregate Demand & Aggregate Supply

2.3

Macroeconomic Objectives

2.4

Economic Growth, Poverty & Inequality

2.5

Fiscal Policy

2.6

Monetary Policy

2.7

Supply-Side Policies

3

The Global Economy

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