The strategy of concentrated spatial development in urban concentrations was emulated by the flying geese of Asia mentioned by Venables. The focus of growth in the 1970s and 1980s shifted to the tigers like Singapore, Hong Kong, South Korea and Taiwan. Singapore and Hong Kong being city states naturally exhibited strong natural economic concentration.
Furthermore, economic activity got concentrated in Seoul/Pusan in South Korea, and in Taipei/Kaohsiung in Taiwan. By the late 1970s/ early 1980s, 70 per cent of urban population in South Korea was concentrated in the Seoul and Pusan regions.