The Last Drop Of Profit Growth

Down To The Last Drop Of Profit Growth;
Stocks Won't Look So Cheap Once Profits Get Back To Normal.

By Vitaliy N. Katsenelson | 27 August 2008

Stocks are allegedly cheap now, at 17 times 2007 earnings. And they are cheap by historical standards. Only seven years ago, they were at price/earnings ratios double today's; they are even cheaper if you compare their forward earnings yield of 6.7% to Treasuries' yield of 4.25%. They are cheap, cheap, cheap! Or so we've been told. [[But see: 'What Is The Real P/E Ratio?': normxxx]]

Unfortunately, the cheapness argument falls on its face once we realize that pretax profit margins are hovering at an all-time high of 11.9%, almost 40% above their average of 8.5% since 1980. Once profit margins revert to their historical mean, the "E" in the P/E equation will decline. If the market made no price change in response, its P/E would rise from 17 to 23.8 times trailing earnings. But many disagree that the profit-margin reversion will take place. Here are the most common arguments against it, and some food for thought on why "common" doesn't necessarily translate as "wise."

Who said that margins have to revert to a mean; why can't they just remain high?

Profit margins revert to the mean not because they pay tribute to mean-reversion gods, but because the free market works. As the economy expands, companies start earning above-average profits. The competition reacts to fat margins like bees sensing sugar water. They want some, too, so they fly in and start cutting into these above-average margins. [[Moreover, much of this increased margin represents a stealing of productivity gains from labor (labor got around 20%; management and capital got the rest). A more equatable division is long overdue, especially as the Chindias of the world become prosperous and raise wages and living standards.: normxxx]] This always has happened in the past, and it will happen again and again in the future.

What about the billions of dollars U.S. companies poured into technology— weren't they supposed to make these operations more efficient and bring higher profit margins?

The billions of dollars did not go to waste; companies are more productive now than ever before. Efficiency gains stemming from productivity were a source of competitive advantage and higher margins when access to proprietary technology was a competitive advantage. For example, Wal-Mart's rise in the retail industry was achieved through a very efficient inventory-management and distribution system that passed cost savings to consumers and drove less-efficient competitors out of business.

Today, however, that same— or even better— technology is available off-the-shelf to retailers like Dollar Tree or Family Dollar, whose outlets are about the same size as a couple of Wal-Mart bathrooms put together. Oracle or SAP will gladly sell state-of-the-art distribution/inventory software systems to any outfit able to spell its name correctly on a check. Increased productivity didn't and won't bring permanently higher margins to corporate America— the consumer is the primary beneficiary of lower prices. If profit margins didn't respond as they do, Wal-Mart's net margins would be 25% today, not 3.5%.

Over the past 70 years, growth in corporate earnings and gross domestic product haven't differed significantly. On the other hand, there has been a permanent benefit from increased operating efficiency: It lets companies hold less inventory and adjust more quickly and precisely to changes in demand. This has led to less volatile GDP.

Shouldn't average profit margins be higher now, as the U.S. economy has transitioned from an industrial (low-margin) economy to a service (higher-margin) economy?

It is not as much of a change as we might think. In 1980, services represented about 48% of GDP. After 27 years and a lot of changes like outsourcing, services have increased to 58% of GDP. If we assume that the service sector has double the margins of the industrial sector (a fairly conservative assumption), increases in the service sector should have boosted overall corporate margins by about 40 to 70 basis points above their 27-year average— between 8.9% and 9.2%, but still far below today's 11.9% margin. Thus, if we adjust corporate margins to reflect the transformation toward a service economy, corporate profit margins are still 30% above their long-term mean.

Shouldn't globalization allow U.S. companies to increase margins?

A larger portion of U.S. companies' profits is coming from overseas than ever before. However, globalization is a double-edged sword— U.S. companies are expanding and will continue to expand overseas and capitalize on new opportunities. But as the world flattens, they also face new competition at home and abroad. For example, Motorola— a company that used to represent American might in the telecommunications arena— has been marginalized in the U.S. and around the world by companies whose names we didn't recognize 15 years ago— Finland's Nokia and South Korea's Samsung.

Although Wal-Mart is rapidly expanding overseas, it will soon face a new breed of competition. U.K. retail giant Tesco recently entered the American market. U.S. companies may get a larger portion of their earnings from overseas (the weak dollar will only help), but they'll have to fight to defend home turf. International expansion doesn't guarantee fatter margins, quite the opposite: We are about to face competition from countries that may be more concerned with increasing market share, even at the expense of short-term profitability.

High oil prices are here to stay, so maybe multiyear high margins in the energy sector are here to stay as well.

This would be the case if energy companies sold their products to customers in another galaxy where somebody else bore all the costs of high-energy prices. Petroleum products are consumed by corporations and individuals. The profit margins benefiting the energy sector are achieved at the expense of lower margins for companies that consume their products-which really is the rest of the corporate world, in various degrees.

Today's stock valuation is a lot higher than it appears if you normalize earnings to lower profit margins. And while it's hard to tell when earnings will embark on a fateful journey to seek their historic mean, it should happen sooner than later. Earnings will either decline or grow at a slower pace than GDP. Depending on the industry structure, companies that don't have a sustainable competitive advantage will not be able to keep competition at bay, and will face margin compression, along with lower earnings growth or declining earnings. Look at your portfolio: Can the companies whose margins are hitting all-time highs sustain them?

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Normxxx    
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