Figure 2.21: The Link Between GDP Per Capita and CO2 Emissions
Figure 2.21 is a scatter plot that visually demonstrates the positive correlation between a country's average living standards (GDP per capita) and its CO2 emissions. The graph includes an upward-sloping 'line of best fit,' which represents the average level of per capita emissions expected at any given level of per capita income, illustrating that wealthier countries generally have higher emissions.
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The Economy 2.0 Microeconomics @ CORE Econ
Ch.2 Technology and incentives - The Economy 2.0 Microeconomics @ CORE Econ
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Comparison of CO2 Emissions Among High-Income Countries
Imagine a scatter plot where each point represents a country. The horizontal axis measures a country's average income (GDP per capita), and the vertical axis measures its carbon dioxide (CO2) emissions per person. A 'line of best fit' is drawn through these points, showing a general upward trend from left to right. If a particular country's data point is located significantly above this line, what is the most accurate interpretation of that country's position?
Predicting Environmental Impact of Economic Development
The Economic-Environmental Trade-off
Based on the general observed relationship between national wealth and environmental impact, if Country A has a higher GDP per capita than Country B, it is guaranteed to also have higher CO2 emissions per capita.
Explaining the Income-Emissions Link
A scatter plot is created to show the relationship between countries' average income and their environmental impact. The horizontal axis represents GDP per capita, and the vertical axis represents CO2 emissions per capita. A 'line of best fit' is drawn through the data points. Match each graphical feature to its correct interpretation.
Evaluating Economic and Environmental Performance
Analyzing National Economic and Environmental Efficiency
Evaluating a Global Development Policy
Consider a scatter plot where the horizontal axis represents a country's GDP per capita (average income) and the vertical axis represents its CO2 emissions per capita. A 'line of best fit' is drawn to show the general positive trend. If Country X and Country Y have the exact same GDP per capita, but Country X has significantly higher CO2 emissions per capita than Country Y, which statement accurately describes their positions on the plot?
Energy Poverty as the Cause of Low Emissions in Poor Countries
Recommended Sustainable Development Path for Low-Income Countries
Figure 2.21: The Link Between GDP Per Capita and CO2 Emissions
Learn After
Source for Figure 2.21: World Development Indicators
Source for Figure 2.21: Environmental Protection Index 2018
Data Exclusions in Figure 2.21
Classification of Countries in Figure 2.21 Relative to the Line of Best Fit
A scatter plot graph displays data for various countries, with national income per person on the horizontal axis and CO2 emissions per person on the vertical axis. A 'line of best fit' runs through the data points, showing a clear positive trend: as income increases, emissions also tend to increase. However, there is significant variation, with many countries falling either considerably above or below this line. Based on this information, which of the following statements represents the most accurate conclusion?
Analyzing Economic Output and Carbon Emissions
Interpreting Data Deviations
A scatter plot graph displays data for various countries, with national income per person on the horizontal axis (increasing from left to right) and CO2 emissions per person on the vertical axis (increasing from bottom to top). A 'line of best fit' runs through the data points, showing a positive trend where higher income generally corresponds to higher emissions. Match each country profile with its most likely position on the graph relative to this line of best fit.
A scatter plot displays a positive correlation between a country's income per person and its CO2 emissions per person, with a line of best fit indicating the average trend. Based on this information, it is accurate to conclude that any given country with a higher income per person than another will necessarily have higher CO2 emissions per person.
Evaluating Development Models Based on Emissions Data
Explaining Anomalies in Economic and Environmental Data
A scatter plot shows that, on average, countries with higher national income per person also have higher CO2 emissions per person. A line of best fit illustrates this positive trend. However, many individual countries lie significantly above or below this line. What is the most significant limitation when using this general trend to predict a specific, individual country's emissions based solely on its income?
Comparing Carbon Efficiency of Economies
A scatter plot displays data for various countries, with national income per person on the horizontal axis and CO2 emissions per person on the vertical axis. A 'line of best fit' illustrates the average relationship between these two variables. A country positioned significantly below this line can be interpreted as having a relatively ______ carbon-efficient economy compared to other countries at a similar income level.
Official Caption for Figure 2.21: CO2 Emissions and National Wealth