What we are looking at here is not what theory says ought to happen: this is what actually does happen out in the real world.
To understand what the theory is doing, as Mr Rabin and Mr Thaler explain, you need to follow along with some arithmetic.
Instead of simply asking what another party is planning to do, game theory encourages managers to ask what is in the other's best interest.
Now Lanza is advancing what he says is a new theory of the universe, an idea to which he says he has devoted his entire life.
Mr Davies said it was part of what is known as "nudge theory", which is based on a belief that groups and individuals can be influenced by positive reinforcement and suggestion.
This is what the Game Theory instructors experimented with to see how costly the transition might be.
This is exactly what economic theory would predict: countries with faster productivity growth in the traded-goods sector should see rising real exchange rates.
But the policymakers who swallow these simulations have little way of knowing what is driving the results: is it deep theory, solid data, or arbitrary pruning?
First, subtraction is a ground level strategy, not a high altitude theory, and is what people want me to talk about in speeches and seminars.
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Which is very odd indeed for we already have a perfectly servicable theory which explains both what is happening and what is going to happen, that of Karl Marx.
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"What looks good in theory is, in fact, pretty complicated to pull off in practice, " says Niel Golightly, a vice president for Ford of Europe.
What sounds straightforward in theory is complicated in practice.
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What economic theory tells us is to look at the entire projected path of policy, measure its fiscal gap, and decide on the basis of the size of its fiscal gap whether the policy is sustainable.
The theory is that what are being disposed of in particular are worn-out mitochondria.
That theory is exactly what West Coast Website provider Digital Planet is banking on.
"What might be possible in theory is, from a technological point of view, blatantly impossible, " he says.
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What about the theory that Japan is so rich a nation that it can buy its way out of a financial collapse?
What does not help is that management theory about remuneration seems often to be based on a set of completely erroneous assumptions about human behaviour.
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One theory to explain what is happening is that water molecules agitated by microwaves are attracted to water-seeking areas on the surface of proteins, influencing their ability to function.
After boycotting a series of hearings in Topeka last May, in which supporters of intelligent design criticized evolution, science groups are now mobilizing to defend what biologists say is a bedrock scientific theory.
And we don't base this on theory, but on what is now happening in practice.
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What they do is raise questions about the scientific theory of evolution.
What that ultimately means, in theory, is that less demand for a currency means higher interest rates in the future in order to attract people to it.
What I complain of is not only that this theory in its various forms has unduly usurped the central place in monetary theory, but that the point of view from which it springs is a positive hindrance to further progress.
What may unify and solve these puzzles is a theory that was first proposed in 1993 by Robert Duncan of the University of Texas at Austin, and Christopher Thompson of the University of North Carolina at Chapel Hill, to explain the then newly discovered gamma-ray repeaters.
By contrast, a truly non-dualistic theory of mind has to state what is clearly obvious: your mind and your brain are identical.
So, what's this theory that a known carcinogen is good for you?
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