are West Bank and Gaza. The tertiary
school enrollment variable, which originally comes from a data project by
Barro and Lee (2013), is &quot;filled&quot; to the referent year from the most recent
year available in the data. That would be 2010. It's fine for this purpose.
</p>
<p>Population estimates come from the UN Population Division. GDP per capita
comes from the World Bank. The estimate of land area (in square kilometers)
comes from the CNTS. Country name comes from CNTS as well.
</p>
<p>In all but the