"core advantages" is a correct and usable phrase in written English.
It is used to describe the main benefits of something. For example, "The core advantages of the new product are increased efficiency and reduced costs."
In that sense, one the core advantages of L.B.O.
One of Grainger's core advantages is the breadth of its selection it can deliver any product a company needs when it needs it.
Mr. McCain, however, was maintaining some core advantages, particularly on preparedness to be president and ability to serve as commander in chief.
The problem with this approach is that a company may end up throwing away core advantages while pouring resources into risky ventures that have no competitive edge or right to win.
In fact, one of Netflix's core advantages over competitors is its ability to stream on nearly every connected device.
One thing building on the last, anticipating the next, maintaining and extending core advantages while opening up newer ones.
This may be because recipients know what they need better than donors do—a core advantage of no-strings schemes.
It's the rational retreat from an entrant with an extendable core advantage (we addressed in our December HBR article, "Surviving Disruption").
"What is this company's core advantage in the market?" Bill Aulet, the managing director of the Martin Trust Center for MIT Entrepreneurship, asks his befuddled and slightly amused audience.
The core advantage of molecular computing is the potential to pack vastly more circuitry onto a microchip than silicon will ever be capable of-and to do it cheaply.
A sentence I wrote earlier this month has provoked much criticism: "I still believe the greatest strength of America, its core advantage over the old world, is its lack of interest in where you're from and consuming interest in what you can do".
