To maintain its competitive position despite rising wages, the government seeks to promote higher value-added activities in the manufacturing and services sectors. It also has opened, or is in the process of opening, the financial services, telecommunications, and power generation and retailing sectors up to foreign service providers and greater competition. The government has also attempted some measures including wage restraint measures and release of unused buildings in an effort to control rising commercial rents with the view to lowering the cost of doing business in Singapore when central business district office rents tripled in 2006.