There is a need for diversity, but now more standards are being sought for Digital Subscriber Lines with the help of which it will be possible to upgrade the network.
However, increased travel associated with more stringent standards is not considered a strong argument against them, because the increased travel decreases as income grows [73].
One explanation is the more stringent standards being used to test ocean and bay waters this summer.
More rigorous standards are forcing farmers to collect and manage huge amounts of information.
One of us, for example, went "left" in ultimately deciding that more rigorous standards were needed for detaining individuals based on undisclosed information.
To ensure the consistency of soil interpretations collected in the field, more detailed standards were developed (Parsons et al. [2010]).
More challenging standards are necessary to help students develop the skills needed to compete in a global economy.
Indeed, by some calculations, raising fuel-economy standards is more costly than climate change itself.
David Zuby, senior vice president of vehicle research at IIHS, says his organization's more-stringent standards are truer to reality than the government measures.
