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256 IRET Congressional Advisory 1 (2009)

handle is hein.taxfoundation/iretcgadv0253 and id is 1 raw text is: INSTITUTE FOR RESEARCH ON THE ECONOMICS OF TAXATION
IRET is a non-profit 501 (c)(3) economic policy research and educational organization devoted to informing
the public about policies thait will promote growth and efficient operation of the market economy.

June 24, 2009

Advisory No. 256

EXCISE TAXES ILL-SUITED FOR HEALTH CARE FUNDING

The Senate Finance Committee has two excise
taxes on its list of possible revenue sources for
funding a universal health care bill.1 It calls them
lifestyle taxes. One would be an increase in the
existing alcoholic beverage tax. The other would be
a new tax on sugar-sweetened soft drinks. Neither
would be good tax policy. They would not raise the
expected revenues, and would not necessarily make
good sense from a health standpoint. These options
are lazy tax policy and the opposite of good
government. Congress should exercise more sober
judgment and restrict its appetite for playing Carrie

Nation and Jenny Craig.
obnoxious   as   Big
Brother.
The government
has   conflicting
objectives in raising a
sin tax. One is to
raise revenue; the other
is to discourage the
harmful activity. One
cannot stamp out the
sin and collect the sin
tax at the same time. If
government imposes a
high  enough  tax to
stamp out the sin, there
will be no revenue. To
achieve revenue, the
government must keep the

Big Sister can be as

tax rate low enough to

Selective excise taxes distort output, reduce
consumer welfare
Economists generally prefer a low rate tax
applied evenly on a broad base to a high rate tax
applied unevenly on a narrow base. The even tax
produces less economic distortion and dead weight
loss than the uneven tax.
Imposition of a tax reduces output of the taxed
product or resource. (See Chart 1.) The tax (a
smaller tax like t1-t or a larger tax like t2-t2) drives
a wedge between the price paid by the consumer and
the price received by
the  supplier.   The

revenue projection. At

higher price discourages
consumption,     and
production is reduced.
The tax revenue is
the tax rate times the
quantity produced and
consumed   (the   tax
base).      (Shaded
rectangles.)  Because
people demand less of a
product when the tax
raises its price, quantity
shrinks. That shrinkage
of the tax base must be
factored   into  the
very low rates, a tax may

keep the sinners active, or it must find a sin so
attractive that the sinners will not quit. Having the
government relying on sin for its revenues smacks of
something unappetizing.

cause a small percentage drop in the base, and the
tax clearly raises revenue. The higher the tax rate,
the greater is the percentage shrinkage in the base.
At very high rates, a tax hike may cause the base to

g~em                                                     S    I    66.      6  ~e   Agg

Chart 1         Doubling The Tax Rate Quadruples
The Deadweight Loss
Price
The Large Triangle Is
The Deadweight Loss       The Small Triangle
When The Tax Rate Is t2    Is The Deadweight
Loss When The
Tax Rate Is t,     Supply
t2
to
Demand
Q2       Q,      Q0                           Quantity

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