How Social Processes Distort Measurement: The Impact of Survey Nonresponse on Estimates of Volunteer Work
NBER Working Paper No. 14076
---- Acknowledgements -----
We are grateful to Robert Groves, Howard Schuman, Roger Tourangeau, and three anonymous referees, as well as participants in the June 2007 Institute for the Study of Labor (IZA) "Nonmarket Uses of Time" topic week and the 2007 meetings of the International Association for Time Use Research, for helpful comments on earlier drafts of this paper. Helms received support for her work on this project from the National Science Foundation through an ADVANCE grant to the University of Alabama at Birmingham (SBE-0245090). Direct correspondence to Katharine G. Abraham (firstname.lastname@example.org) or Stanley Presser (email@example.com), Joint Program in Survey Methodology, University of Maryland, 1218 Lefrak Hall, College Park, MD 20742. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.