
By John Mauldin | Apr 12, 2013
Assume a Perfect World
Objects in the Rear-View Mirror Are Larger
An Imaginary Recession
Peace in Our Time?
Government Spending Per Household Exceeds Median Household Income
What Do You Want It to Be?
Las Vegas, Singapore, San Francisco, and Carlsbad
An engineer, a chemist, and an economist are stranded on a deserted island. They are starving, when miraculously they find a box filled with canned food. What to do? They consider the problem, bringing their collective lifetimes of study and discipline to the task.
Being the practical, straightforward sort, the engineer suggests that they simply find a rock and hit the cans until they break open. “No, no!” cry the chemist and economist, “we would spill too much food and the birds would get it!”
After a bit of thought, the chemist recommends that they start a fire and heat the cans. The pressure in the cans will force them open and the food will conveniently already be heated. But the engineer and economist object, pointing out correctly that the cans would likely explode and splatter the food all over the beach.
The economist, after carefully studying the cans and reading the labels, starts scrawling a series of equations in the sand, which eventually cover the entire beach. After much pondering, he excitedly announces, “I’ve got it! I’ve got it!” as he points to the final equation. They ask him to explain, with their visions of finally getting a meal causing them to regard the economist with a new sense of respect.
The economist clears his throat and begins, “First, assume a can opener …”
I am not sure how old that joke is, but it dates to about the time when economists discovered mathematics and models, which is to say, about the time when economists developed physics envy and decided they would like to be regarded as scientists rather than philosophers. This week we continue to look at the data and models developed by economists, with a view to understanding both their usefulness and their limitations. The specific data we will examine this week is inspired by the release of the President’s FY 2014 US budget proposal this week. While it and the House and Senate budget proposals may appear to be widely divergent, there are some underlying and quite disturbing similarities among them.
Specifically, all three proposals assume away the real world. It does not matter which version you prefer; they all lack the basic precautions and hedges that those of us involved with preparing family and business budgets make sure to include in our own forecasts. While whole books could be written about the underlying assumptions in these latest budget proposals, we will examine (hopefully briefly) just a few of the more glaringly problematic ones.
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