March 24, 2008
by Eric Zencey
If I said to you, "give me a thousand bucks today, and in 45 days I'll give you $1500," you'd think I was stupid or crooked or both. That kind of interest rate works out to a phenomenal 2466% per year, and it's what Carlo Ponzi offered investors in Boston in 1920. If I said to you, "give me a barrel of oil today, and in a month and a half I'll give you a barrel and a half back," I'd be making the same deal--but, thanks to the generous Energy Return on Investment of