Likewise, it raises tax rates that do not have a clear record of promoting growth and cuts those that do.
"The Thatcher budget lowers tax rates where they have little economic consequence and raises tax rates where they affect economic activity directly," he complained.
House Speaker John A. Boehner of Ohio says he will not accept any deal that raises tax rates or "decouples" the Bush-era tax rates by extending some but allowing others to expire.
One way out of the impasse would be a deal that trims spending along the lines Mr Obama's budget has already proposed, and raises tax revenue through the sort of reform Republicans want.
The House will not approve a bill that raises tax revenue unless it also reduces tax rates, the aide said, adding, "We put tax revenues on the table, and Democrats don't know what to do".
Along with Mr Cantor he signed up to Mr Boehner's offer on tax revenues, dipping his hands in the same fiscal gore.Mr Ryan could yet speak out against a deal that raises tax rates, and such a verdict would weigh with House colleagues.
