Search Results Use the search box below to revise your search, or start a new search. Studies (5) Variables Publications Your query returned 5 studies. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. County Characteristics, 2000-2007 [United States] (ICPSR 20660) Inter-university Consortium for Political and Social Research 2. Department Stores Study, 1968 (ICPSR 7083) Blau, Peter M. 3. Determinants of Vertical Integration in the Egyptian Garment Industry, 2002 (ICPSR 4270) El-Haddad, Amirah 4. Informal Trading: Economic Integration, Internal Diversity, and Life Changes in Quito, Ecuador, 1990-1991 (ICPSR 6062) Teltscher, Susanne; Lawson, Victoria 5. Payment Method Costs Assessment: Survey of Retailers, 1983 [United States] (ICPSR 8171) Curtin, Richard T.