Developing countries that open their stock markets to foreign investors reap big benefits: output per worker grows by 2.3 percentage points faster than it would have done otherwise.

ECONOMIST: The financial crisis

Developing countries are under pressure to make their markets more welcoming to foreign investment as well.

ECONOMIST: The fight against crooked trading gathers pace

In a U.S. House of Representatives Africa subcommittee hearing on Sudan last month, Congressman Donald Payne, a Democrat from New Jersey, announced that he would introduce a resolution calling for the exclusion of foreign companies developing Sudan's oil sector from U.S. capital markets.

CENTERFORSECURITYPOLICY: Center For Security Policy

Exactly the same dip in prices hurt foreign buyers in Argentina in the early 1990s, underlining the fact that developing markets are often no less competitive than developed ones.

ECONOMIST: Intoxicated by power

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