New York : National Bureau of Economic Research, 1975
Physical Details
74 leaves, 7 leaves, 16 : graphs, tables ; 28 cm
OCLC
ocm24683060
At head of cover title: Conference on Research in Income and Wealth, November 13-14, 1975.
On title page: Paper to be presented at the National Bureau of Economic Research Conference on Productivity Measurement, Williamsburg, Va., November 13 and 14, 1975.