Executive condominiums remain relevant for the "sandwich" middle class, though the government will need to keep a close watch on prices, says NUS Business School’s Sing Tien Foo. SINGAPORE: Executive condominiums (ECs) were first introduced in 1995 as a “fresh approach”, in the words of then-Prime Minister Goh Chok Tong, to meet rising demand for private homes. Built by private developers with condominium-like amenities but sold under Housing and Development Board (HDB) regulations, the unique