The figure below is from the Fed study mentioned above.

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The FERC quote mentioned above is from a 2007 study called The Potential Benefits Of Distributed Generation And Rate-Related Issues That May Impede Their Expansion.

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The chart reproduced above is from a CBO study of options to change the tax treatment of charitable giving.

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Compare the above study from the 1990s to a recent market-timing study of industry experts since 1998.

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Selected results from the study are available at the links above.

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