Reference material for quizzes from Part III

Data figures

Fertility rates

The following figure plots the total fertility rate, which indicates the number of children a woman would be expected to have over her life given the fertility behavior in that year.

Energy intensity

The following figure plots “energy intensity”, or $E/Y$, for a set of countries.

Theoretical paths

Productivity

This is a figure of log productivity, $\ln A$, for several hypothetical economies.