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Mar 17, 2009

A Lesson in This Recession?

During economic booms, certain publications and political parties can be counted on to point out that the growing wealth produced by the expanding economy is being inequitably bestowed upon various segments of the population. This (unsurprising) observation usually leads to journalistic hand-wringing, cynical campaign slogans and calls for a more progressive tax code and redistributionist spending programs.

The breadth and depth of the current recession provides an interesting opportunity to observe the results of an experiment no sane policy-maker would ever intentionally conduct.

Last week, the Federal Reserve released its latest triennial analysis of changes in family income and net worth:

Changes in U.S. Family Finances from 2004 to 2007: Evidence from the Survey of Consumer Finances

Trust me, you probably don't want to read it all (I haven't yet either) but I'll share one of the authors' observations. The report is based on household surveys conducted in 2007 and focuses on changes in household finances since the 2004 survey. In light of the significant changes in housing and equity prices during 2008, the study's authors also make an attempt to estimate the impact of 2008's market meltdowns through October.

A number of assumptions are required, which can be found on pages A10-A12. The authors conclude, "...these assumptions imply large drops in median and mean net worth since the 2007 survey — 17.8 percent and 22.7 percent, respectively."

These numbers feel about right. From January to October 2008, the S&P 500 declined 34.0% and the Case-Shiller 20-city composite house price index declined 14.5%.

Many commentators get tripped up when confronting means and medians, and politicians are probably responsible for statistics being lumped together with lies and damned lies. So here's a little refresher (page A6) on interpreting means and medians that most students should've had by ninth grade.

"Where a comparable median and mean are given, the gain of the mean relative to the median may usually be taken as indicative of relatively greater change at the top of the distribution; for example, when the mean increases more rapidly than the median, it is typically taken to indicate that the values in the top of the distribution rose more rapidly than those in the lower part of the distribution."

This is equally true in reverse, i.e., when the mean decreases at a greater rate than the median, it is typically taken to indicate that the values in the top of the distribution fell more rapidly than those in the lower part of the distribution.

So by certain conventional measures of inequality, the concurrent meltdowns in the financial and housing markets plus the economic recession have increased "fairness" in the United States.

This is not a headline I expect to read soon.

I make this observation not in defense of the well-to-do compared to the less fortunate. To be sure, this recession is hurting every family at every level. And the hardship at the lower end of the income and wealth spectrum is undoubtedly more palpable and immediate. What's more, the magnitude of federal aid being provided to companies like AIG evokes uncomfortable echoes of the "Welfare Queens" who figured in class warfare debates of the '70s and '80s. It seems we all live in a glass house now; so maybe everyone should put down his stone.

But when this economy recovers, as it certainly will, maybe we'll have learned that although prosperity inevitably benefits the prosperous, it's better (for everyone) than the alternative.

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