It would be difficult to argue that government polices over the past three years have enhanced confidence in the U.S. business environment.

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At the personal level, parents also gained literacy skills which enhanced their confidence and self-esteem.

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The many failed attempts by the bears to successfully stop the bulls have, simply put, enhanced investor confidence in the current market optimism.

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Investors' confidence can hardly have been enhanced by the performance of Moody's and other rating services as the Chinese begin to experience widespread effects from the global financial crisis.

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And confidence in the bureau's objective attitude to scientific evidence is not enhanced by its response to the first round of results.

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