Mishra, Ashok K.; El-Osta, Hisham S.; Morehart, Mitchell J. - 2002 - [Elektronische Ressource]
, 1974; Larson, 1974; Crecink,
1979). While these studies drew from a wide variety of
data, they all noted the improvement of …-
ment payments) and off-farm sources. While these
studies examined the extent of variation in total house-
hold income … and 1987 Census of Agriculture, Special Studies, U.S. Department of Commerce. 1999 Census of Agriculture, Special Studies …