Quote Originally Posted by artemis View Post
Supply and Demand. A bit simplistic but true. A bit less simplistic would mean taking into account population changes, income changes, cost of supplies and money (interest), government intervention, fudge factors - and the interactions between them - for starters. The net of which is - it depends!

For fun, take a million dollars and add say 8% / year. Doesn't take long to double it.
Doesn't take long to learn "the rule of 72' either.