A simple explanation of the causes behind the recent economic depression that has crashed the world economy. Written for absolute laymen who are facing the heat of economic turmoil but are at loss to understand the causes behind it. This post covers a broad idea of what, why and how of a economic depression. These days the most talked about news is the current financial crisis that has engulfed the world economy. Every day the main headline of all newspapers is about our falling share markets, decreasing industrial growth and the overall negative mood of the economy. For many people an economic depression has already arrived whereas for some it is just round the corner.