Cao, Hongduo; Li, Ying; Tan, Yong - In: Applied Economics 46 (2014) 21, pp. 2502-2510
We find that, from 1970 to 2006, the GDPs of 181 countries are described by a log-normal with a power law tail before 1992, but by a kinked power law distribution after 1992. In the 15 years from 1992 to 2006, there are two obvious scale-free zones for annual GDPs, ranked from the largest to...
