African countries are experiencing the highest increase in the rate of tobacco use amongst developing countries.

BBC: NEWS | Africa | Why do we still smoke in Africa?

In developing countries with immature financial markets, a freely floating exchange rate may not be sensible because a small number of foreign-exchange trades can cause big swings in currencies.

ECONOMIST: Getting out of a fix

Unlike developing countries, which age from the bottom up because of a falling birth rate, rich countries age from the middle, adding old people with fewer workers to support them, and even fewer children to join the workforce.

ECONOMIST: Economics focus