The Wisconsin congressman rejected criticism that his proposal would harm lower-income groups, saying it would instead create jobs and reduce inefficiency.

BBC: Republican Romney names Paul Ryan as running mate

Some tax motivated moves are disguised as something else to quell criticism aimed at anyone preferring a place with a lower rate.

FORBES: Good Neighbor? Even State Farm May Move For Tax Reasons

Demonstrate the revenue streams from lower rates, speaking directly to the "rich get richer" criticism.

FORBES: Magazine Article

Mr Brown, who will become prime minister later this month when Tony Blair leaves office, was speaking at a union conference where there was much discussion about the recent criticism, from the chairman of a prominent fund, of how managers at such firms pay a lower rate of tax than their office cleaners do.

ECONOMIST: Business this week