Guest article written for AllAboutAlpha.com – the official publication of the Chartered Alternative Investment Analyst (CAIA) Association Originally posted at: http://allaboutalpha.com/blog/2012/06/18/alpha-hunters-investing-in-urban-communities/ In 1800 only 2% of the world population (which was just 970 million in total) was urbanised. By 1950 that figure had grown to 30%, and by 2030 it…