Three questions are explored: (1) Has there been an upward drift in the full employment-unemployment rate in the United States? (2) If so, what are the causes of such a drift? (3) What are the prospects with respect to any change in the full employment-unemployment rate between now and 1980? The...

Through the use of data derived from a one percent sample of Social Security Administration records, patterns of interregional mobility in the period 1957 to 1960 are explored for male workers by industry of major job in 1957. The data are available for ten broad industrial categories and they...