Political  Calculations

A little over three months ago, we predicted that GDP for the U.S. in the fourth quarter of 2012 would be finally recorded below a value of $13,726.5 billion in terms of constant 2005 U.S. dollars, which represents the midpoint of our target range. Now that the U.S. Bureau of Economic Analysis has released its third and for now final estimate of real GDP in 2012-Q4, it's time to find out just how far off target we were!

It seems that the midpoint for our target range overshot the actual figure of $13,665.4 billion 2005 U.S. dollars by just $61.1 billion, or rather, by 0.45%, which as it turns out, is well within our narrowest target range of $13,581.8 billion to $13,867.2 billion. The overshot in our predicted midpoint value indicates just how sluggishly the U.S. economy performed in 2012-Q4 compared to realistic expectations.

With the GDP data finalized for the time being, we can now project forward to anticipate what real growth the U.S. economy can expect in the first quarter of 2013:

Real GDP vs Climbing Limo Forecast vs Modified Limo Forecast, 2004-Q1 - 2012-Q4, with Modified Limo Forecast for 2013-Q1

Using our modified-limo forecasting method, we would anticipate that real GDP in 2013-Q1 has the following odds of falling in the indicated ranges (all values are given in terms of constant 2005 U.S. dollars):

  • A 68% likelihood of falling between $13,581.8 billion and $13,867.2 billion.
  • A 95% likelihood of falling between $13,439.1 billion and $14,009.9 billion.
  • A 99% likelihood of falling between $13,296.4 billion and $14,152.5 billion.

Political Calculations

Political Calculations is a site that develops, applies and presents both established and cutting edge theory to the topics of investing, business and economics.

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