Unit 1: Why world food prices are rising

From the BBC and Ch4 video explanations

http://www.bbc.co.uk/news/business-12124632 BBC
http://www.channel4.com/news/world-food-prices-hit-all-time-high Ch4

Anforme has a blog post on the topic including a nice graphic

http://www.anforme.co.uk/blog/?p=1783

a) Using a S&D diagram, explain why world food prices are rising. (Hint: If you can't do this, then the answer is on this economicshelp post http://www.economicshelp.org/blog/economics/food-inflation/ )

b) Using a S&D diagram, explain why the price of cotton clothes are likely to rise