The economy of England is the largest economy of the four countries of the United Kingdom. England is a highly industrialized country. It is an important producer of textiles and chemical products. Although automobiles, locomotives, and aircraft are among England's other important industrial products, a significant proportion of the country's income comes from the City of London. Since the 1990s, the financial services sector has played an increasingly significant role in the English economy and the City of London is one of the world's largest financial centres. Banks, insurance companies, commodity and futures exchanges are heavily concentrated in the City. The British pound sterling is the official currency of England and the central bank of the United Kingdom, the Bank of England, is lo