A bit off-topic, but there was a study recently claiming Giffen behaviour in China concerning rice staples. The classic textbook case of the Irish potato famine

A bit off-topic, but there was a study recently claiming Giffen behaviour in China concerning rice staples. The classic textbook case of the Irish potato famine was always difficult (if not impossible) to prove, but this is apparently some evidence of the existence of Giffen goods. Link: http://ideas.repec.org/p/nbr/nberwo/13243.html http://ideas.repec.org/p/nbr/nberwo/13243.html