General Question
Bar Stool Economics: Does it compute?
Supposedly a David R. Kamerschen, Ph.D., Professor of Economics at the University of Georgia wrote this analogy on the redistribution of wealth. I would like to know if his logic/explanation makes mathematical sense or if there are partial or total wrong assumptions on his reasoning.
Here it goes:
Suppose that every day, ten men go out for beer and
the bill for all ten comes to $100. If they paid their bill the way we pay our taxes, it would go something like this:
The first four men (the poorest) would pay nothing.
The fifth would pay $1.
The sixth would pay $3.
The seventh would pay $7.
The eighth would pay $12.
The ninth would pay $18.
The tenth man (the richest) would pay $59.
So, that’s what they decided to do. The ten men drank
in the bar every day and seemed quite happy with the arrangement, until one day, the owner threw them a curve.
‘Since you are all such good customers,’ he said, ‘I’m
going to reduce the cost of your daily beer by $20.’ Drinks for the
ten now cost just
$80.
The group still wanted to pay their bill the way we
pay our taxes so the first four men were unaffected. They would still drink for free. But what about the other six men – the paying customers? How could they divide the $20 windfall so that everyone would get his
‘fair share?’
They realized that $20 divided by six is $3.33. But if
they subtracted that from everybody’s share, then the fifth man and the sixth man would each end up being paid to drink his beer.
So, the bar owner suggested that it would be fair to
reduce each man’s
bill by roughly the same amount, and he proceeded to
work out the amounts each should pay.
And so:
The fifth man, like the first four, now paid nothing
(100% savings).
The sixth now paid $2 instead of $3 (33%savings).
The seventh now pay $5 instead of $7 (28%savings).
The eighth now paid $9 instead of $12 (25% savings).
The ninth now paid $14 instead of $18 (22% savings).
The tenth now paid $49 instead of $59 (16% savings).
Each of the six was better off than before. And the
first four continued to drink for free. But once outside the
restaurant, the men began to compare their savings.
‘I only got a dollar out of the $20,‘declared the
sixth man. He pointed to the tenth man,’ but he got $10!’
‘Yeah, that’s right,’ exclaimed the fifth man. ‘I only
saved a dollar, too. It’s unfair that he got ten times more than I got’ ‘That’s true!!’ shouted the seventh man. ‘Why should he get $10 back when I got only two? The wealthy get all the breaks!’
‘Wait a minute,’ yelled the first four men in unison.
‘We didn’t get anything at all. The system exploits the poor!’ The nine men surrounded the tenth and beat him up.
The next night the tenth man didn’t show up for drinks
so the nine sat down and had beers without him. But when it came time to pay the bill, they discovered something important. They didn’t have enough money
between all of them for even half of the bill!
And that, ladies and gentlemen, journalists and college professors, is how our tax system works. The people who pay the highest taxes get the most benefit from a tax reduction. Tax them too much, attack them for
being wealthy, and they just may not show up anymore.
In fact, they might start drinking overseas where the atmosphere is somewhat friendlier.
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