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One of Apple's (NASDAQ: AAPL) greatest strengths has always been its financial discipline when it comes to research and development expenditures. The Mac maker's R&D investments were so efficient that it was spending a very small percentage of revenue on R&D, while new products drove incredible revenue growth. It used to be common for R&D to be between 2% and 3% of sales (at times even under 2%), while peers would spend double-digit percentages of revenue on R&D.
What we've seen in recent years is a precipitous rise in Apple's R&D budget as a percentage of sales.
Data source: SEC filings. Fiscal quarters shown. Graph by author.
At least one Street analyst is a little worried.
But not too worried
On the earnings call, Morgan Stanley analyst Katy Huberty asked CEO Tim Cook about the divergence of R&D growth and revenue growth:
Cook's answer is an expected one, as Apple is naturally investing heavily in various areas that it won't talk about quite yet, such as augmented reality/virtual reality, autonomous cars, and more. For reference, here's a chart of the two growth rates that Huberty is looking at.
Data source: SEC filings. Fiscal quarters shown. Chart by author.
When it comes down to it, the real issue isn't whether or not R&D growth outpaces sales growth. Those percentages without the context of absolute values don't paint the full picture. Huberty is right to pay attention to an important trend, since Apple spent a cool $10 billion on R&D last fiscal year, of which $1.9 billion was stock-based compensation.
The real question will be whether or not any of the products in Apple's pipeline can generate meaningful revenue growth in the future. And keep in mind that Apple's revenue base is so enormous at this point ($215 billion) that every basis point of growth helps.
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Evan Niu, CFA owns shares of Apple. The Motley Fool owns shares of and recommends Apple. The Motley Fool has the following options: long January 2018 $90 calls on Apple and short January 2018 $95 calls on Apple. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.