London is the world’s biggest market for interest-rate derivatives, with $1.4 trillion of daily revenue, or 46 percent of the world’s total, according to the Bank for International Settlements. The U.K. is also home to the world’s biggest foreign-exchange market and 251 foreign banks, more than in any other country.
“The City is relieved” at Cameron’s refusal to sign the treaty, according to Steven Bell, chief economist at hedge fund GLC Ltd. in London and a former U.K. Treasury economist. “For the U.K. economy it’s the equivalent of North Sea oil and it’s not running out.”
The U.K.’s financial-services industry makes up about 10 percent of the country’s gross domestic product and 11 percent of its total tax receipts, according to The City U.K., a lobby group backed by the City of London Corporation, which governs the financial district. Financial-services employ more than 1 million people in the U.K., the group said.
About 288,000 of these work in the City of London, according to the CEBR. That’s 9.3 percent fewer than in 2010 and the lowest headcount since at least 1998 as firms cut jobs amid the European debt crisis and tougher regulation.