Earnings from a job or self-employment are taken into account for social security tax purposes only up to a “wage base” amount. for 2013, that amount is $113,700.
I usually do not leave a response, however i read some of the remarks here 2014 social security cola; recipients should not expect large (or any) cost of living
Estimated Cola 2014 Social Security
Security cost of living adjustment this october not so much
Cost-of-living-adjustment 2013 – social security, cola – aarp