Puppycow
Penultimate Amazing
Which is riskier, a fixed rate mortgage or an adjustable rate mortgage? (For purposes of this discussion, I mean just a regular adjustable-rate mortgage without a so-called "teaser rate")
Most people think of a fixed rate mortgage as safer, but is this really true?
For one thing, you pay premium for a fixed rate mortgage. The premium is thought to be the price for transferring the interest rate risk to the lender.
Interest rates go up when inflation expectations go up, but inflation has the simultaneous effect of reducing the real value of debt principal. And when there is general inflation, then average wages should also inflate at roughly the same pace, right?
Putting it another way, a fixed rate mortgage is a bet that the weighted average interest rate over the life of the loan will be higher than the current market adjustable rate plus the interest rate risk premium. I'm guessing that's a bet that the house will win much more often than the customer.
Some people might say that, well, at least the worst case scenario is worse in the case of an adjustable rate mortgage. I wonder if this is really true. Default is one worst-case scenario, and I'm not at all sure that likelihood is really higher for adjustable rates than for fixed rates (assuming that the same person is buying the same house for the same price; all bets are off in case of a so-called "liars' loan," "NINJA loan" (NINJA: No Income, No Job, no Assets) or a "teaser rate mortgage" where someone buys much more house than they can reasonably expect to afford).
Another worst-case scenario is the theoretical total cost of the loan. In case of the fixed-rate loan, there is a nominal upper limit to the total cost. In fact the total cost is fixed on a nominal basis. However, the real cost depends on inflation (or deflation). Therefore, it's not clear to me that the worst-case scenario in terms of real cost is higher for the adjustable-rate mortgage.
IOW, with a fixed rate mortgage, the nominal cost is fixed, but the real cost is anything but fixed. OTOH, with an adjustable-rate mortgage, the nominal cost is not fixed, but the real cost may actually be closer to being fixed (on a real basis) than with a fixed rate mortgage.
Most people think of a fixed rate mortgage as safer, but is this really true?
For one thing, you pay premium for a fixed rate mortgage. The premium is thought to be the price for transferring the interest rate risk to the lender.
Interest rates go up when inflation expectations go up, but inflation has the simultaneous effect of reducing the real value of debt principal. And when there is general inflation, then average wages should also inflate at roughly the same pace, right?
Putting it another way, a fixed rate mortgage is a bet that the weighted average interest rate over the life of the loan will be higher than the current market adjustable rate plus the interest rate risk premium. I'm guessing that's a bet that the house will win much more often than the customer.
Some people might say that, well, at least the worst case scenario is worse in the case of an adjustable rate mortgage. I wonder if this is really true. Default is one worst-case scenario, and I'm not at all sure that likelihood is really higher for adjustable rates than for fixed rates (assuming that the same person is buying the same house for the same price; all bets are off in case of a so-called "liars' loan," "NINJA loan" (NINJA: No Income, No Job, no Assets) or a "teaser rate mortgage" where someone buys much more house than they can reasonably expect to afford).
Another worst-case scenario is the theoretical total cost of the loan. In case of the fixed-rate loan, there is a nominal upper limit to the total cost. In fact the total cost is fixed on a nominal basis. However, the real cost depends on inflation (or deflation). Therefore, it's not clear to me that the worst-case scenario in terms of real cost is higher for the adjustable-rate mortgage.
IOW, with a fixed rate mortgage, the nominal cost is fixed, but the real cost is anything but fixed. OTOH, with an adjustable-rate mortgage, the nominal cost is not fixed, but the real cost may actually be closer to being fixed (on a real basis) than with a fixed rate mortgage.
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