The vast majority of China's population lies to the southeast of a line running from Beijing to Sichuan. This entire region is subjected to major floods each year, while typhoons affect the southern and eastern coastal areas and major earthquakes affect the western and northern margins. The...

We present estimates of 4 and 8 firm concentration ratios by industry and in weighted aggregate form for the manufacturing sector for Chinese enterprises for 2002 and 2007. These are then compared to available estimates for the same years and industrial classification for the US. These...