> Could you explain why this is sub-optimal? It's sub-optimal because of the added risk?
Suppose my cost of capital is 5%. My current business (selling widget A) is returning 20%. Great, my ROCE is 20%. Now let's say I can't expand my current product line any further. I can only sell so many widget A's.
But supposing I invent a new widget, widget B. Its return on capital is, say 10%. Should I manufacture widget B? The answer is: yes. My cost of capital is still 5%, but I'm earning a 10% return on it.
So the value of my business has increased. My overall ROCE will go down, though, because they'll now be a mix of sales at 20% ROCE and some at 10% ROCE. But even though my ROCE has decreased, it is still a good idea for me to produce widget B.
It may "look" bad to investors that my ROCE is going down, but I'm actually producing value for them. That's why I say that ROCE maximisation is sup-optimal. If I scrap widget B, them I'm actually doing investors a disservice.
I'm assuming "all things being equal", like risk profile.
In practise, they of course won't be. Companies could play a short-term game, like IBM seems to have done, by outsourcing to India, or whatnot. Sure, in the short term, ROCE has increased, but in the long term people will get cheesed off by their poor service.
It can work they other way, too. Take, for example, Kraft vs Nestle. Let's call it the "American" model vs the "European" model ;). Kraft took over UK chocolate manufacturer Cadbury's a few years ago now. They cut costs and produced something that consumers didn't like so much. In some ways I guess they had to, considering the amount of dough they blew on the acquisition.
Nestle, OTOH, tried to sell their stuff in Africa. That required a lot of money spread over a long period of time, because Africa has poor infrastructure. But what it meant was, when things got going, they were in a position to sell products to Africa when others weren't.
It's a long game vs a short game. Of course, just because it's a long game doesn't necessarily imply it's better.
But you can see that "hitting next quarter's targets" is apt to produce disappointing results over the longer term.
As regards FB buying Instagram, I have no sage advice. I could never see what the fuss was about with FB anyway, but they're making plenty of money, so I make plenty of mistakes.
Big companies often trot out phrases like "synergy" and "strategic acquisitions". They might work, they might not. Statistically speaking, odds are against acquisitions. Companies generally overpay for what they believe is exciting stuff, only to have the whole thing be a huge financial fiasco. Just ask Yahoo. They did alright with Alibaba, though. As another example, take Google's acquisition of YouTube. As far as I'm aware, they never made a profit out of it.