The President's FY2007 budget calls for the elimination the Survey of Income and Program Participation (SIPP). CEPR is circulating a sign-on letter to researchers, particularly SIPP users, who are concerned about access to quality government microdata. If you are a social science researcher and would like to see the letter to consider signing it, please click here. Tentative closing for the sign-on letter is March 1, 2006. 
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