# Using your graphs from questions 2

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```					                                  Labs for Weil, Economic Growth: Lab 4A

Lab 4A
Determinants of Population Growth

Assignment

This lab investigates the relationships between population growth rates and several other country
characteristics. The data for this lab is available in an Excel spreadsheet and a Stata data set on
the textbook web page.

1.   Calculate the average annual population growth rate over the period 1960 to 2000 for
each country in the data set. Describe the variation in the population growth rate across
countries. What is the minimum savings rate? What is the maximum? Calculation Hint:
An easy way to approximate the average annual growth rates is to use the following
equation: (ln(2000 value) – ln(1960 value))/40.

2.   Make a scatter plot that shows the relationship between life expectancy and population
growth. Describe what you see.

3.   Make a scatter plot that shows the relationship between population growth and fertility.
Describe what you see.

4.   Using your graphs from questions 2 & 3, explain why countries have high population
growth.

5.   Calculate the average annual growth rate of real GDP per capita from 1960 to 2000.
Make a scatter plot that shows the relationship between the population growth rate and
the growth rate of income per capita. Does this graph support the conclusions of the
Solow model?

6.   Make a scatter plot that shows the relationship between fertility rates and education in
2000. Describe what you see. Can you explain why this relationship might exist?

7.   Make a scatter plot that shows the relationship between fertility rates and income per
capita in 2000. Describe what you see. Can you explain why this relationship might
exist?

8.   Using the results of your graphs, write a paragraph that summarizes your conclusions.
How do population growth rates vary across countries? What is the relationship between
population growth and income growth? Can you make policy recommendations based

1

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