Friday, September 12, 2014

John Rubino -- Real Interest Rates and Future Chaos 08.Sep.14






John recently wrote, The folks at Gresham’s Law just published a nifty interactive chart of real (i.e., inflation-adjusted) interest rates since the 1960s that explains a lot about today’s world. To make sense of this, let’s start with a a little background: Interest rates are the rental cost of money, but to figure out the true cost you have to adjust the nominal (or numerical) interest rate for inflation, which is the rate at which the currency being borrowed is falling in value. If the nominal interest rate is higher than inflation, then the real interest rate is positive. If the real rate is both positive and high, that’s a signal that money is expensive and that one is better off being a lender (to reap those high returns) than a borrower (who has to pay the high true cost of money). The opposite is true for negative real rates, where the nominal cost of money is lower than the rate at which the currency is being depreciated. In this case a borrower actually gets paid to borrow because the true cost of the loan falls as the currency loses value. So negative real rates tell market participants to borrow as much as possible.

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