It says that spending is easier to measure, but the more complex impact of a society's attitude to education can make a big difference.
Yet in many ways, retirement is a transition point that can have the most complex and widespread impact on our lives.
Similarly, trying to contain the oil and limit the environmental impact is also complex, involving multiple technologies, the coordination of public agencies and private sector firms, and the mobilization of huge amounts of equipment and people.
Some worry about the infrastructural and environmental impact of the massive complex the Saudis seek to build on the new ISA campus.
Like any risk factor, the impact of inflation is more complex and unpredictable than you might expect.
The new measures make hedging more complex, but it also has an impact on currency speculation, something the government said it wanted to rein in as much as possible given the global weak dollar and its impact on Brazil.
The impact on Boeing is somewhat more complex than for the predominantly non-military supplier base due to heavy disproportionate defense program cuts.
As with Zytiga, the questions were far-ranging and complex: Does GAIA consider only the environmental impact of product ingredients, or does the assessment also look at their impact on human health?
The ramifications and impact of the two measures are too complex to truly understand at this time.
Implementing the change only for direct investments will allow regulators to study the impact of the change prior to lifting the ban for more complex financial products.
Because road systems are complex, and because the behaviour of individual drivers is largely unpredictable, the overall impact of a particular pricing scheme is anyone's guess.
One high-impact provision being debated is 12 years of data exclusivity protection for biologics, complex medicines that treat debilitating chronic diseases.
From the west, floodwaters would flow through an industrial complex that includes refineries and chemical plants, said van Heerden, who has studied computer models about the impact of a strong hurricane for four years.
Each area of this complex world is a unique system in and of itself, and it's hard enough to truly understand and impact, say, agriculture policy, no less every single policy area in government.
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