Interfirm profitability differences
Subtitle: comment
By: by R.E. Caves, B.T. Gale and M.E. Porter.
Contributors: Gale, B. T.; Porter, Michael E., 1947-
Series: Discussion paper / Harvard Institute of Economic Research -- no.474
Publisher: [Harvard Institute of Economic Research]
Published: 1976
Place of publication: Cambridge (Mass.)
Language: eng