series: Panel Study of Income Dynamics (PSID) Series > Study Search Results Your query returned 1 results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Panel Study of Income Dynamics, 1968-1999: Annual Core Data (ICPSR 7439) Hofferth, Sandra; Stafford, Frank P.; Yeung, Wei-Jun J.; et al.