The Opportunity Cost of Debt

Posted by PITHOCRATES - September 16th, 2013

Economics 101

Housing Sales drive the Economy because almost Everything for Sale is for the Household

Once upon a time the rule of thumb was to buy the most expensive house we could possibly afford.  We saved 20% for a down payment on a conventional mortgage.  We lived on a shoestring budget and paid our mortgage no matter what.  Even if we had to live on meatloaf and macaroni and cheese for the next five years.  Or longer.  We did this because we would be paying that mortgage payment for 30 years.  And though tough at first during those 30 years we advanced in our careers.  And made more money along the way.  Making that mortgage payment easier to pay as time went by.

So that was the way it used to be.  And it was that way for a long time.  Until the Federal Reserve started playing with interest rates to stimulate economic activity.  Altering the banking system forever.  Instead of encouraging people to save their money so banks could loan money to homebuyers they printed money.  Flooded the market with it.  Ignited inflation.  And caused housing bubbles.  Then the government took it up a notch.

Housing sales drive the economy.  Almost everything for sale is for the household.  Furniture and appliances.  Beds and ceiling fans.  Tile and paint.  Cleaning supplies and groceries.  Dishes and cutlery.  Pots and pans.  Towels and linen.  Lawnmowers and weed-whackers.  Decks and patio furniture.  When people buy a house they start buying all of these things.  And more.  Creating a lot of economic activity with every house sold.  So the government did everything they could to encourage home ownership.  And few governments did more than the Clinton administration.  By applying pressure on lenders to qualify the unqualified for mortgages.  Which gave us the subprime mortgage crisis.

Lenders used Subprime Lending to Qualify the Unqualified to Comply with the Clinton Administration

People in poor neighbors tended to be poor.  And unable to qualify for a mortgage because they couldn’t afford the house payments.  When these poor people happened to be black the Clinton administration said the banks were racist.  They were redlining.  And advised these lenders that if they don’t start qualifying these people who couldn’t afford a house that the full weight of the government will make things difficult for them to remain in the lending business.  So they complied with the Clinton administration.  Using subprime lending to put people into homes they couldn’t afford.

The main reason why people can’t afford to buy a house is the size of the mortgage payment.  Which can be pretty high if they can’t afford much of a down payment.  So these lenders used special mortgages to bring that monthly payment down.  The adjustable rate mortgage (ARM).  Which had a lower interest rate than conventional mortgages.  Because they could raise it later if interest rates rose.  Zero-down mortgages.  Which eliminated the need for a down payment.  Coupled with an ARM when interest rates were low could put a poor person into a good sized house.  No-documentation loans.  Which removed the trouble of having to document your earnings to prove you will be able to make your house payment.  Making it easier to approve applicants when you don’t have to question what they write on their application.  Interest-only loans where you only had to pay the interest for, say, 5 years.  Greatly reducing the size of the monthly payment.  But after those 5 years you had to pay that loan back in full with a new mortgage for the full value of the house.  Which may be more costly in 5 years.

So these lenders were able to meet the Clinton administration directive.  They were putting people into homes they couldn’t afford.  Just barely.  These people had house payments they could just barely afford.  Thanks to the low interest rate of their ARM.  But then interest rates rose.  Making those mortgage payments unaffordable.  With zero-down they had little to lose by walking away.  And a lot of them did.

The Interest on the Debt is so large we have to Borrow Money to Pay for the Cost of Borrowing Money

Buying a house is a huge investment.  One that we finance.  That is, we borrow money.  Sometimes a lot of it.  Because we don’t want to wait and save money for a down payment.  And because we want so much right now we buy as much as we can with those borrowings.  Doing whatever we can to lower the monthly payment.  With little regard to long-term costs.  For example, assume a fixed 30-year interest rate of 4.5%.  And we finance a $150,000 house with zero down.  Because we have saved nothing.  The monthly payment will be $790.03.  But if we waited until we saved enough for a 10% down payment that monthly payment will only be $684.03.  And if we saved enough for 20% down the monthly payment will only be $608.02.  That’s $182.01 less each month.  The total interest paid over the life of this mortgage for zero down, 10% down and 20% down is $123,610.07, $111,249.06 and $98,888.05, respectively.  Adding that to the price of the house brings the total cost for that house to $273,010.07, $246,249.06 and $218,888.05, respectively.  So if we wait until we save a 20% down payment we will be able to buy a $150,000 house and $54,723.02 of other stuff during those 30 years.  This is the opportunity cost of debt.

We are better off the less we finance.  Because long-term debts are with us for a long time.  And they don’t go away if we lose our job.  Or if interest rates go up.  Like with an ARM.  A large driver of the subprime mortgage crisis.  Let’s see what was happening before the housing bubble burst.  Let’s say we could buy that $150,000 house with a zero down mortgage with an adjustable interest rate of 2%.  Giving us a monthly payment of $554.43.  Very affordable.  Which helped get a lot of people into houses they couldn’t afford.  But then the interest rate went up.  And what did that do to someone who could just barely pay their house payment when it was $554.43?  Well, if it reset to 4% that payment increased to $716.12 ($161.69 more per month).  If it reset to 6% that payment increased to $899.33 ($344.90 more per month).  Bringing the total cost of the house to $323,757.28 ($150,000 principle + 173,757.28 interest).  Which is why a lot of these people walked away from these houses.  There was just no way they could afford them at these higher interest rates.

Interest payments on long-term debt at high interest rates can overwhelm a borrower.  Making the Clinton administration’s Policy Statement on Discrimination in Lending insidious.  It destroyed people’s lives.  Putting them into houses they couldn’t afford with subprime lending.  But if you think that’s bad consider the national debt.  These are long-term obligations just like mortgages.  And currently we owe $16,738,533,025,135.63 (as of 9/13/2013).  At an interest rate of 3.9% the annual interest we must pay on this debt comes to $652,802,787,980.29.  That’s $652.8 billion.  Which is more than we spend on welfare ($430.4 billion).  Almost what we spend on Social Security ($866.3 billion).  And more than half of the federal deficit ($972.9 billion).  This is the opportunity cost of debt.  It limits what we can spend elsewhere.  On welfare.  Social Security.  Etc.  The interest on the debt has grown so large that we even have to borrow money to pay for the cost of borrowing money.  And there is only one way this can end.  Just like the subprime mortgage crisis.  Only worse.


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