Above a minimum amount of wage income seniors lost 50 cents of benefits for every dollar of earnings.

FORBES: Why Does The Federal Government Subsidize Retirement?

Payroll taxes apply to the amount of an employer's wage bill above a certain threshold, at rates ranging from 3.65% to 6.85%, and averaging around 6% depending on the state or territory.

ECONOMIST: Letters

Mr. PATRICK ANDERSON (Principal and CEO, Anderson Economic Group): If you really go around and you try to add up all the jobs that are directly related to the automobile industry, you come up with an enormous fraction for any industry of the total amount of employment and also very high wage employment and also very hi-tech employment.

NPR: Expert Examines Impact Of Big Three's Collapse

The law mandated a minimum 25-cent-per-hour wage, in addition to setting the maximum amount of hours most employees could work per week at 44.

FORBES: Minimum Wage: Good Cause Or Economic Pariah?

The assumption is that the folks in his office are primarily W2 wage earners, although they probably also have a significant amount of income from investments in the Berkshire Hathaway company as well.

FORBES: Mr. Buffett's Secretary is One of "Them"

Condor admitted some of its crew were paid that amount but said they earned four times the average wage in Ukraine.

BBC: Condor Ferries Ukrainian workers protest in Portsmouth

During the 2008 campaign, for instance, then-Senator Obama suggested that the programs giant long-run deficit could be addressed by busting the wage-base cap and imposing the payroll tax on a larger amount of income.

FORBES: Obama Embraces Another Class-Warfare Proposal

To help retirees who have spent most of their working lives in low-wage jobs, the report called for several changes in the calculations of the special minimum primary insurance amount.

FORBES: 'Family Care' Benefit Could Fix Retiree Pay Gap