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Controlling Health Care Costs With Medical Savings Accounts

How the Tax Law Encourages Third-Party Insurance and Penalizes Individual Self-Insurance

One strange feature of the tax code is that a physician's fee paid by an employer (or an employer's insurance carrier) is paid with pretax dollars, whereas fees paid out-of-pocket by employees must be paid with aftertax dollars. As a result, the tax law encourages (subsidizes) 100 percent health insurance coverage (with no deductibles and no copayments) for all medical expenses.

Federal tax law has an enormous impact on employee benefit plans because individual marginal tax rates are so high. Even a moderate wage earner in the U.S. economy gets to keep less than 70 cents out of each additional dollar earned. As Table I shows:

  • For an employee facing an income tax rate of 15 percent and a combined (employer plus employee) Social Security tax rate of 15.3 percent, federal taxes take 30.3 cents out of each additional dollar of wages.

  • If the employee faces a 6 percent state and local income tax, the marginal tax rate is 36.3 percent, leaving the employee with less than two-thirds of a dollar of wages in the form of take-home pay.

The results are even worse for employees in higher tax brackets:

  • Workers in the 28 percent federal income tax bracket face a marginal tax rate of 43.3 percent - leaving them with less than 57 cents in take-home pay out of each additional dollar of earnings.

  • If state and local income taxes apply, these workers take home only 51 cents of each additional dollar of earnings.

Because wages are taxed and health insurance benefits are not, health insurance is more valuable to employees than additional wages. As Table II shows: 6

  • For an employee in the 15 percent tax bracket (and facing a 15.3 percent FICA tax), federal tax law makes $1.44 of health insurance benefits equivalent to a dollar of take-home pay - because $1.44 in gross wages will be reduced by 44 cents in taxes.

  • For an employee who is in the 28 percent bracket, $1.76 of health insurance benefits is equivalent to a dollar of take-home pay.

  • For a higher-paid employee also facing a 6 percent state and local income tax rate, $1.97 of health insurance benefits is equivalent to a dollar of take-home pay.

Table II also shows how much waste can be present in the purchase of health insurance and still allow health insurance to be preferable to wages. [See Figure II.] For example, if an employer attempted to give the higher-paid employee $1.97 in wages, the employee's take-home pay would be only $1.00 after taxes are paid. As a result:

  • For a highly paid employee, $1.97 spent on health insurance need only be worth $1.01 to be preferable to $1.97 of gross wages.

  • Thus, 96 cents of $1.97 (or 49 percent of the premium) can represent pure waste and still leave health insurance preferable to wages for the employee.

This is why employees tend to prefer generous (and wasteful) health insurance coverage - coverage that they would not buy out-of-pocket without tax subsidies. Note also that the higher the tax bracket, the greater the economic incentive to purchase more health insurance. Higher-paid workers tend to dictate the contents of employee benefit plans and impose their choices on all other workers. Moreover, many current employee benefit plans were shaped decades ago, when marginal tax rates were much higher and the incentives for waste even greater.

The total tax deduction for employer-provided health insurance is about $60 billion per year - roughly $600 for every American family. Although this system may appear to benefit large companies with more generous employee benefits, in many cases these companies are trapped by benefit plans that are eating into company profits, raising production costs and keeping wages lower than they otherwise would be. The current system not only encourages and subsidizes rising health care costs, it also harms the very industries and companies which are subsidized the most.

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