Under a trade deal with the European Union called GSP-plus, Sri Lanka's garment exports (its second-largest source of foreign exchange) enjoy duty-free access to the EU. But GSP-plus hinges partly on human rights.

ECONOMIST: Sri Lanka

They will also have to provide more capital against such assets as government debt, hitherto regarded as risk-free, and increase the amount set aside for foreign-exchange dealings.

ECONOMIST: Indian banks

He said that foreign pressure would not force China to move faster to free its exchange rate.

ECONOMIST: Economics focus

He enacted some free market reforms, opened a stock exchange and attempted to draw foreign investment to the country.

CENTERFORSECURITYPOLICY: Caution: Storm Approaching

Since the mechanism of a currency transactions levy is supposed to be based on taxing the net position of foreign exchange transactions, it could represent a restriction of the free movement of capital and payments (Article 63 TFEU).

FORBES: The Stupidity of the Robin Hood Tax Reaches America

That free ride is over now: Banks have extended currency exchange fees and usage fees to transactions made in foreign countries.

FORBES: Prudent Traveler

In a bid to offset the impact of sterling's rise and remain competitive with duty-free shops abroad, Heathrow's shops are offering travellers who pay in various foreign currencies a more favourable exchange rate than the current market rate.

ECONOMIST: Midsummer madness