We construct a time series of political party ideology, based on Poole and Rosenthal's (1997) NOMINATE scores, for the … 1950-98 period. The results show that (1) party ideology has become increasingly more polarized over this period; and (2 … inflation or unemployment) is associated with a decline of the relative difference in party ideology scores. Republicans tend to …

ideology. I feel that the scientific work that I have done on specific, long standing and fundamental problems in economics and … political science have given me additional insights into the destructive role of ideology beyond the history of thought …