Policy Hopes, Puppies And Rainbows

 | Jan 05, 2017 10:31AM ET

h2 Tax Cut Rainbows

Can we slow down for just a minute and let a little bit of logic prevail. Wall Street's exuberance over Donald Trump's election, which is ironic because these were the same guys saying his election would crash the market, has gotten a little heated. In particular, is the repeated impact of tax cuts on earnings over the next year as recently reiterated by Bob Pisani:

Even before the election, analysts were anticipating a roughly 9 percent increase in earnings for the S&P 500, from roughly $118 in 2016 to $131 in 2017. But I noted back on Dec. 1 that Thomson Reuters estimated that every 1 percentage point reduction in the corporate tax rate could “hypothetically” add $1.31 to 2017 earnings. So with a full 20 percentage point reduction in the tax rate (from 35 percent to 15 percent), that’s $1.31 x 20 = $26.20.

That implies an increase in earnings of close to 20 percent, or $157. Of course, this is a hypothetical and because most corporations do not pay the top rate, we won’t get this kind of boost. No matter: Even a modest boost to, say, $140, would bring the S&P to 2400 at the current 17 multiple, nearly 7 percent above where it is now.”

There is a raft of issues with this analysis that investors have taken to heart since Reuters first trotted out the idea a little over a month ago.

First, as noted by the Government Accountability Office, the average tax rate paid by U.S. corporations is not 35% but closer to 12.5%.

Large, profitable U.S. corporations paid an average effective federal tax rate of 12.6% in 2010, the Government Accountability Office said Monday.

The federal corporate tax rate stands at 35%, and jumps to 39.2% when state rates are taken into account. But thanks to things like tax credits, exemptions and offshore tax havens, the actual tax burden of American companies is much lower.

Even when foreign, state and local taxes were taken into account, the companies paid only 16.9% of their worldwide income in taxes in 2010.

Therefore, the reduction in the legislative tax rates to 15-20% is likely to be far less impactful to earnings growth than what is currently estimated by Reuters.

Secondly, the expectations of a $1.31 boost to earnings for each percentage point of reduction in tax rates is also a bit “squishy.”

The premise is based on the currently expected earnings in 2017 of $131.00 for the entirety of the S&P 500. The $1.31 increase is simply 1% of $131.00 in total operating earnings. However, given the fact that earnings are consistently overestimated historically by roughly 33%, as shown in the chart below, and are grossly affected by “one-time” repeating write-offs, accounting gimmickry and a variety of other issues , the assumption of effective impact of a tax rate change of 1% of face value of earnings is awfully presumptive.

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