Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Budget Balances (Deficits and Surpluses) for 54 Middle Income Countries From 1976-2007 (ICPSR 29341) Hall, Michael G. 2. Political Business Cycles in Open Economies in 28 Developing Countries From Latin America, Asia, and Africa, 1976-2002 (ICPSR 27581) Hall, Michael G.