Unit 1: Negative externalities associated with smoking in the developing world

Two clips from the BBC on smoking in China and India; the figures are mind boggling!

http://news.bbc.co.uk/1/hi/world/asia-pacific/7726770.stm China
http://news.bbc.co.uk/1/hi/world/south_asia/7647665.stm India

a) What negative externalities are there for China and India of smoking on such a vast scale?
b) What private costs are there associated with smoking?
c) Comment on the likeyhood of the suggested government actions reducing the negative externalities