But the economics of obesity are not too rosy, either, according to the Rand study.
But those economic assumptions now look too rosy as the credit squeeze takes hold and the housing market swoons.
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But perhaps his long years outside France gave Mr de Villepin a rather too rosy view of his compatriots?
Unfortunately the idea that slower growth and a powerful welfare state are simply the result of a benign European consensus is too rosy.
Not only do we believe a price-earnings ratio of 42 is too high, but we believe the estimates are too rosy to begin with.
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In fact, overall, it blasted past expectations, which had been creeping down in the last few weeks as analysts questioned whether their outlooks were too rosy.
One common explanation - favoured by the coalition - is that Labour took a much too rosy view of the underlying state of the public finances in the years leading up to the crunch.
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Eventually, borrowers and lenders will wake up to the reality that their expectations of future growth in profits and returns were too rosy, and consumers will have to reduce their spending to bring debt back to sustainable levels.
The faulty system (which the company says has now been fixed) persuaded Oxford to take too rosy a view of its financial position, overestimating its revenues and membership and underestimating how much it owed to doctors and hospitals.
The real surprise: Apple's always-restrained chief operating officer, Peter Oppenheimer, said analysts' most rosy estimates for the coming quarter were too low.
Government spending is growing faster than the economy as a whole, but both private and public sectors still invest too little, planting a question-mark over those rosy growth forecasts.
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The chief question for investors remains: is the markets' run-up over the past weeks evidence that everything is truly rosy after all, or that investors are too sanguine about risk?
Too often in the past, just as in the auto industry, management signed onto lavish deals underpinned by rosy economic scenarios that in today's environment just aren't affordable.
Things may not always be this rosy, however, and in those times it will be nice if Page talks that other talk, too.
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