Search Results       Your search for [subject]Old age pensions -- United States -- Retirement test -- Econometric models returned 1 record.           The labor supply effects of the social security earnings test. by Friedberg, Leora.; Cambridge: National Bureau of Economic Research, 1999. Subject: Old age pensions -- United States -- Retirement test -- Econometric models; Aged -- Employment -- United States -- Econometric models; Social security -- United States.          Add to Book Cart Relevance: 48.58%