To achieve this, he agreed to raise the rate of the (relatively efficient) Social Security payroll tax, thereby helping to protect that flawed system from suffering operating deficits for more than 25 years.
More realistically, market forces will drive clearing and settlement houses to join forces, because it is more cost-efficient when buyer, seller and security are linked.
But it is often more efficient to rely on tipsters such as security guards, doormen, chauffeurs and restaurant staff.
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Portugal and the United States want a reinvigorated alliance, which will be capable of responding in an efficient manner to the challenges and threats transatlantic security may be faced with.
We're convinced, for our own self-interest, that the way we use energy, changing it to a more efficient fashion, is essential to our national security, because it helps to reduce our dependence on foreign oil, and helps us deal with some of the dangers posed by climate change.
The equity market can only be efficient when active investors and portfolio managers continually adjust security prices based on new information.
But we are going to over time transition to ourselves and we will become more energy efficient, which will be good for our national security, it will be good for our economy, it will be good for our environment, it will be good for our future.
Mr Woolsey, who backed the Iraq war, is on the advisory board of the Institute for the Analysis of Global Security, which argues for subsidies to make cars more fuel-efficient and for plant-based alternatives to petrol.
Inside Intel, the company has elevated the priority of security to be on par with its strategic focus areas in energy-efficient performance and Internet connectivity.
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Labour and capital markets as ruthlessly efficient as America's offer more wealth but, for many at least, less economic security.
McCain calls energy independence a national-security issue, but rules out obtaining here in the United States more of the most efficient form of energy readily available.
Both Presidents reiterated their belief that a more efficient use of energy, and the use of cleaner and renewable sources and technology are fundamental elements for energy security, which contributes to sustainable economic growth and the protection of the environment.
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